ROMLess Microcontrollers (MCU)
Last Updated: January 31, 2025
Description
ROMLess Microcontrollers (MCUs) are a type of microcontroller that do not have on-chip Read-Only Memory (ROM) for storing the program code. Instead, they rely on external memory to store and execute their programs. This design allows for greater flexibility in terms of program size and updates, as the program can be easily modified or replaced without altering the microcontroller itself.
Working Principle
ROMLess MCUs operate by interfacing with external memory components, such as EPROM or Flash memory, to access the program code necessary for their operation. This external memory is connected to the microcontroller through a bus system, allowing the MCU to fetch instructions and data as needed. The absence of on-chip ROM means that these microcontrollers can be more versatile, as they are not limited by the fixed memory capacity of the chip. This flexibility makes them particularly useful in applications where program updates are frequent or where large program sizes are required.
Applications
ROMLess MCUs are commonly used in applications where program flexibility and updates are crucial. For example, they are often employed in automotive systems where software updates are needed to improve performance or add new features. They are also used in industrial automation systems where the control logic may need to be frequently updated or customized for different tasks.
Advantages over other Microcontrollers (MCU)
One of the primary advantages of ROMLess MCUs is their flexibility in program storage and updates. Unlike microcontrollers with on-chip ROM, ROMLess MCUs can easily accommodate larger programs and frequent updates without the need for hardware changes. This makes them ideal for applications that require regular software modifications or enhancements. Additionally, the ability to use external memory allows for potentially lower costs in high-volume applications, as the same MCU can be used across different products with varying program requirements.
Limitations
A significant limitation of ROMLess MCUs is their dependency on external memory, which can introduce additional complexity and potential points of failure in the system. The need for external memory components can also increase the overall size and cost of the system. Furthermore, the reliance on external memory may result in slower access times compared to on-chip memory, potentially impacting the performance of time-sensitive applications.
Considerations
When considering ROMLess MCUs for a project, it is important to evaluate the initial costs associated with the external memory components and the potential increase in operating expenses due to the added complexity. Durability and reliability should also be assessed, as the use of external memory can introduce additional failure points. Accuracy and performance may be affected by the speed of the external memory, so it is crucial to select memory components that meet the application's requirements. Replacement and maintenance costs should be considered, particularly in environments where frequent updates or changes to the program are expected.
from ODG (Origin Data Global)
IC MCU 8051 8K RAM 24MHZ 80BQFP [See More]
- ROM Type: ROMLess; ROMless
- Supply Voltage: 3 to 3.6
- RAM: 8
- Serial Interface: I²C; USB; I²C, USB
from Win Source Electronics
Manufacturer: NXP. Win Source Part Number: 1257825-SPC5125YVN400. Packaging: Tray. Mounting Style: SMD. Core Processor: e300. Speed: 400MHz. Connectivity: CANbus, EBI/EMI, Ethernet, I2C, USB OTG. Peripherals: DMA, WDT. Program Memory Type: ROMless. Oscillator Type: External. Supply Voltage: 1.08V ~... [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 400
- Data Bus: 32 Bit
- RAM: 32
from Rochester Electronics
ROMless Microcontroller,16-Bit, Serial Communication Interface, 80C51 compatible [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Obsolete
- Data Bus: 16 Bit; 16-Bit
from DigiKey
IC MCU 8051 8K RAM 24MHZ 44QFP [See More]
- ROM Type: ROMLess
- Supply Voltage: 3 to 3.6
- RAM: 8
- Serial Interface: USB
from ODG (Origin Data Global)
IC MCU USB EZ FX1 16KB 100LQFP [See More]
- ROM Type: ROMLess; ROMless
- Supply Voltage: 3.15 to 3.45
- RAM: 16
- Serial Interface: I²C; USART; USB; I²C, USB, USART
from Win Source Electronics
Manufacturer: Advanced Micro Devices. Win Source Part Number: 911330-AM188ESLV-25VC\\W. Operating Temperature Range: 0 °C ~ 70 °C (TA). Features: 80C188 series Microcontroller IC 16-Bit 25MHz - ROMless 100-TQFP (14x14). Core Processor: 80C188. Speed: 25MHz. Package: Bulk. Package:... [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 25
- Data Bus: 16 Bit
- Supply Voltage: 3 to 3.6
from Rochester Electronics
ROMless Microcontroller, 8-Bit, 80C51 CPU [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Obsolete
- Data Bus: 8 Bit; 8-Bit
- Package Type: Other; LCC44
from DigiKey
IC MCU USB EZ FX 8K RAM 52QFP [See More]
- ROM Type: ROMLess
- Supply Voltage: 3 to 3.6
- RAM: 8
- Serial Interface: USART; USB
from ODG (Origin Data Global)
IC MCU USB EZ FX1 16KB 128LQFP [See More]
- ROM Type: ROMLess; ROMless
- Supply Voltage: 3.15 to 3.45
- RAM: 16
- Serial Interface: I²C; USART; USB; I²C, USB, USART
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 084611-AN2131QC. Packaging: Tray. Core Processor: 8051. Applications: USB Microcontroller. Mounting: SMD (SMT). Number of I/O: 24. Program Memory Type: ROMless. Controller Series: AN213x. Family Name: AN2131QC. Categories: Integrated... [See More]
- ROM Type: ROMLess; ROMless
- RAM: 8
- Life Cycle Stage: Obsolete(EOL)
- Supply Voltage: 3 to 3.6
from Rochester Electronics
ROMless Microcontroller, 8-Bit, 80C51 CPU [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Obsolete
- Data Bus: 8 Bit; 8-Bit
- Package Type: QFP; Other; Epad LQFP
from DigiKey
IC MCU USB EZ FX1 16KB 56VQFN [See More]
- ROM Type: ROMLess
- Supply Voltage: 3.15 to 3.45
- RAM: 16
- Serial Interface: USART; USB
from ODG (Origin Data Global)
IC MCU USB PHERIPH FX1 56VQFN [See More]
- ROM Type: ROMLess; ROMless
- Supply Voltage: 3.15 to 3.45
- RAM: 16
- Serial Interface: I²C; USART; USB; I²C, USB, USART
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 084889-AN2131SC. Packaging: Tray. Core Processor: 8051. Applications: USB Microcontroller. Mounting: SMD (SMT). Number of I/O: 16. Program Memory Type: ROMless. Controller Series: AN213x. Categories: Integrated Circuits. Status:... [See More]
- ROM Type: ROMLess; ROMless
- RAM: 8
- Life Cycle Stage: Obsolete(EOL)
- Supply Voltage: 3 to 3.6
from Rochester Electronics
ROMless Microcontroller, 8-Bit, 80C51 CPU [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Obsolete
- Data Bus: 8 Bit; 8-Bit
- Package Type: PLCC; Other; PLCC44
from DigiKey
IC MCU USB PERIPH HI SPD 56SSOP [See More]
- ROM Type: ROMLess
- Supply Voltage: 3 to 3.6
- RAM: 16
- Serial Interface: USART; USB
from ODG (Origin Data Global)
IC MCU USB EZ FX1 16KB 56-SSOP [See More]
- ROM Type: ROMLess; ROMless
- Supply Voltage: 3.15 to 3.45
- RAM: 16
- Serial Interface: I²C; USART; USB; I²C, USB, USART
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 1144598-AN2135SC. Series: EZ-USB. Packaging: Tray. Operating Temperature Range: 0 °C ~ 70 °C. Core Processor: 8051. Package: 44-QFP. Applications: USB Microcontroller. Mounting: SMD. Operating Supply Voltage: 3 V ~ 3.6 V. [See More]
- ROM Type: ROMLess; ROMless
- Supply Voltage: 3 to 3.6
- RAM: 8
- Serial Interface: I²C; USB; I2C, USB
from Rochester Electronics
Microcontroller 16-Bit, ROMLESS [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Obsolete
- Data Bus: 16 Bit; 16-Bit
- Package Type: QFP; Other; HQFP128
from DigiKey
IC MCU USB PERIPH HI SPD 100LQFP [See More]
- ROM Type: ROMLess
- Supply Voltage: 3 to 3.6
- RAM: 16
- Serial Interface: USART; USB
from ODG (Origin Data Global)
IC MCU USB PERIPH HI SPD 56VFBGA [See More]
- ROM Type: ROMLess; ROMless
- Supply Voltage: 3 to 3.6
- RAM: 16
- Serial Interface: I²C; USART; USB; I²C, USB, USART
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 1165700-CY7C64613-128NC. Series: EZ-USB FX. Packaging: Tray. Operating Temperature Range: 0 °C ~ 70 °C. Core Processor: 8051. Package: 128-BFQFP. Applications: USB Microcontroller. Mounting: SMD. Operating Supply Voltage: 3... [See More]
- ROM Type: ROMLess; ROMless
- Supply Voltage: 3 to 3.6
- RAM: 8
- Serial Interface: I²C; USART; USB; I2C, USB, USART
from Rochester Electronics
IC MCU 32Bit SH-4 ROMless 200MHz 3V - 3.6V [See More]
- ROM Type: ROMLess
- Package Type: BGA; Other; LFBGA256
- Life Cycle Stage: Obsolete
from DigiKey
IC MCU USB PERIPH HI SPD 128LQFP [See More]
- ROM Type: ROMLess
- Supply Voltage: 3 to 3.6
- RAM: 16
- Serial Interface: USART; USB
from ODG (Origin Data Global)
IC MCU USB PERIPH HI SPD 56VQFN [See More]
- ROM Type: ROMLess; ROMless
- Supply Voltage: 3 to 3.6
- RAM: 16
- Serial Interface: I²C; USART; USB; I²C, USB, USART
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 084798-CY7C64613-52NC. Packaging: Tray. Core Processor: 8051. Applications: USB Microcontroller. Mounting: SMD (SMT). Number of I/O: 16. Program Memory Type: ROMless. Controller Series: CY7C646xx. Family Name: CY7C64613-52NC. [See More]
- ROM Type: ROMLess; ROMless
- RAM: 8
- Life Cycle Stage: Obsolete(EOL)
- Supply Voltage: 3 to 3.6
from Rochester Electronics
Microcontroller 32-bit SuperH RISC ROMLess [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Obsolete
- Data Bus: 32 Bit
- Package Type: QFP; Other; LQFP208
from DigiKey
IC MCU USB PERIPH HI SPD 56VFBGA [See More]
- ROM Type: ROMLess
- Supply Voltage: 3 to 3.6
- RAM: 16
- Serial Interface: USART; USB
from ODG (Origin Data Global)
IC MCU 32BIT ROMLESS 256CTBGA [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 150
- Data Bus: 32 Bit
- RAM: 32
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 050696-CY7C64613-80NC. Packaging: Tray. Core Processor: 8051. Applications: USB Microcontroller. Mounting: SMD (SMT). Number of I/O: 32. Program Memory Type: ROMless. Controller Series: CY7C646xx. Categories: Integrated Circuits. [See More]
- ROM Type: ROMLess; ROMless
- RAM: 8
- Life Cycle Stage: Obsolete(EOL)
- Supply Voltage: 3 to 3.6
from Rochester Electronics
Microcontroller 32-bit SuperH RISC ROMLess 1.5V/3.3V 256-Pin [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Obsolete
- Data Bus: 32 Bit
- Package Type: BGA; Other; BGA256
from DigiKey
IC MCU USB PHERIPH FX2LP 56VQFN [See More]
- ROM Type: ROMLess
- Supply Voltage: 3 to 3.6
- RAM: 16
- Serial Interface: USART; USB
from ODG (Origin Data Global)
IC MCU 8/16BIT ROMLESS 44PLCC [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 24
- Data Bus: 8 Bit; 16 Bit
- RAM: 1
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 085961-CY7C64713-100AXC. Packaging: Tray. Core Processor: 8051. Applications: USB Microcontroller. Mounting: SMD (SMT). Number of I/O: 40. Program Memory Type: ROMless. Controller Series: CY7C647xx. Categories: Integrated Circuits. [See More]
- ROM Type: ROMLess; ROMless
- RAM: 16
- Life Cycle Stage: Active
- Supply Voltage: 3.15 to 3.45
from Rochester Electronics
Microcontroller 32-bit SuperH RISC ROMLess [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Obsolete
- Data Bus: 32 Bit
- Package Type: QFP; Other; QFP256
from DigiKey
IC MCU USB PERIPH HI SPD 56VQFN [See More]
- ROM Type: ROMLess
- Supply Voltage: 3 to 3.6
- RAM: 16
- Serial Interface: USART; USB
from ODG (Origin Data Global)
IC MCU 8BIT ROMLESS 40PDIL [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 20
- Data Bus: 8 Bit
- RAM: 0.1280
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 080247-CY7C64713-128AXC. Packaging: Tray. Core Processor: 8051. Applications: USB Microcontroller. Mounting: SMD (SMT). Number of I/O: 40. Program Memory Type: ROMless. Controller Series: CY7C647xx. Categories: Integrated Circuits. [See More]
- ROM Type: ROMLess; ROMless
- RAM: 16
- Life Cycle Stage: Active
- Supply Voltage: 3.15 to 3.45
from Rochester Electronics
Microcontroller 4-8Bit General ROMLess [See More]
- ROM Type: ROMLess
- Package Type: CDIP; Other; DIP40
- Life Cycle Stage: Obsolete
from DigiKey
- Microcontroller IC 8/16-Bit 50MHz ROMless 84-PLCC (29.31x29.31) [See More]
- ROM Type: ROMLess
- Clock Speed: 50
- Data Bus: 8 Bit; 16 Bit
- Supply Voltage: 3 to 5.5
from ODG (Origin Data Global)
IC MCU 8BIT ROMLESS 44VQFP [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 20
- Data Bus: 8 Bit
- RAM: 0.2560
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 1165701-CY7C64713-56LFXC. Series: EZ-USB FX1. Packaging: Tray. Operating Temperature Range: 0 °C ~ 70 °C. Core Processor: 8051. Package: 56-VFQFN Exposed Pad. Applications: USB Microcontroller. Mounting: SMD. Operating... [See More]
- ROM Type: ROMLess; ROMless
- Supply Voltage: 3.15 to 3.45
- RAM: 16
- Serial Interface: I²C; USART; USB; I2C, USB, USART
from Rochester Electronics
Microcontroller 4-8Bit General ROMLess [See More]
- ROM Type: ROMLess
- Package Type: PLCC; Other; PLCC52
- Life Cycle Stage: Obsolete
from DigiKey
- Microcontroller IC 8/16-Bit 50MHz ROMless 80-PQFP (20x14) [See More]
- ROM Type: ROMLess
- Clock Speed: 50
- Data Bus: 8 Bit; 16 Bit
- Supply Voltage: 3 to 5.5
from ODG (Origin Data Global)
IC MCU 8BIT ROMLESS 44PLCC [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 40
- Data Bus: 8 Bit
- RAM: 1
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 1165702-CY7C64714-128AXC. Series: EZ-USB FX1. Packaging: Tray. Operating Temperature Range: 0 °C ~ 70 °C. Core Processor: 8051. Package: 128-LQFP. Applications: USB Microcontroller. Mounting: SMD. Operating Supply Voltage:... [See More]
- ROM Type: ROMLess; ROMless
- Supply Voltage: 3.15 to 3.45
- RAM: 16
- Serial Interface: I²C; USART; USB; I2C, USB, USART
from Rochester Electronics
HD63A03 - Microcontroller 4-8Bit General ROMLess [See More]
- ROM Type: ROMLess
- Package Type: QFP; Other; QFP64
- Life Cycle Stage: Obsolete
from DigiKey
- Microcontroller IC 8/16-Bit 50MHz ROMless 100-PQFP (20x14) [See More]
- ROM Type: ROMLess
- Clock Speed: 50
- Data Bus: 8 Bit; 16 Bit
- RAM: 32
from ODG (Origin Data Global)
IC MCU 16/32BIT ROMLESS 100LQFP [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 33
- Data Bus: 16 Bit; 32 Bit
- RAM: 8
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 916504-CY7C64714-56LFXC. Series: EZ-USB FX1 ™. Operating Temperature Range: 0 °C ~ 70 °C. Core Processor: 8051. Package: Tray. Package: 56-VFQFN Exposed Pad. Mounting: Surface Mount. Number of I/O: 24. Program Memory... [See More]
- ROM Type: ROMLess; ROMless
- I/O Ports: 24
- Data Bus: 8 Bit
- Package Type: Other; 56-QFN (8x8)
from Rochester Electronics
Microcontroller 4-8Bit General ROMLess [See More]
- ROM Type: ROMLess
- Package Type: PLCC; Other; PLCC68
- Life Cycle Stage: Obsolete
from DigiKey
IC MCU 8BIT ROMLESS 44VQFP [See More]
- ROM Type: ROMLess
- Clock Speed: 40
- Data Bus: 8 Bit
- RAM: 1
from ODG (Origin Data Global)
IC MCU 16/32BIT ROMLESS 144BGA [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 33
- Data Bus: 16 Bit; 32 Bit
- RAM: 8
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 050698-CY7C68013-100AC. Packaging: Tray. Core Processor: 8051. Applications: USB Microcontroller. Mounting: SMD (SMT). Number of I/O: 40. Program Memory Type: ROMless. Controller Series: CY7C680xx. Categories: Integrated Circuits. [See More]
- ROM Type: ROMLess; ROMless
- RAM: 16
- Life Cycle Stage: Obsolete(EOL)
- Supply Voltage: 3 to 3.6
from Rochester Electronics
Microcontroller, 8-Bit, HC11 CPU, ROMLess 5V 64-Pin PQFP Tray [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Obsolete
- Data Bus: 8 Bit; 8-Bit
- Package Type: QFP; TQFP; Other; HTQFP64
from DigiKey
FR30 RISC FR30 MB91101 Microcontroller IC 32-Bit Single-Core 50MHz ROMless 100-LQFP (14x14) [See More]
- ROM Type: ROMLess
- Clock Speed: 50
- Data Bus: 32 Bit
- RAM: 2
from ODG (Origin Data Global)
IC MCU 16/32BIT ROMLESS 176LQFP [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 33
- Data Bus: 16 Bit; 32 Bit
- RAM: 8
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 1165724-CY7C68013-100AXC. Series: EZ-USB FX2LP. Packaging: Tray. Operating Temperature Range: 0 °C ~ 70 °C. Core Processor: 8051. Package: 100-LQFP. Applications: USB Microcontroller. Mounting: SMD. Operating Supply Voltage:... [See More]
- ROM Type: ROMLess; ROMless
- Supply Voltage: 3 to 3.6
- RAM: 16
- Serial Interface: I²C; USART; USB; I2C, USB, USART
from Rochester Electronics
P80C32 - Microcontroller, 8-Bit, 80C51 CPU, ROMLESS [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Obsolete
- Data Bus: 8 Bit; 8-Bit
- Package Type: QFP; Other; QFP44
from DigiKey
FR60 RISC FR60 MB991307 Microcontroller IC 32-Bit Single-Core 66MHz ROMless 120-LQFP (16x16) [See More]
- ROM Type: ROMLess
- Clock Speed: 66
- Data Bus: 32 Bit
- RAM: 64
from ODG (Origin Data Global)
IC MCU 16/32BIT ROMLESS 100TQFP [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 66
- Data Bus: 16 Bit; 32 Bit
- RAM: 256
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 080252-CY7C68013-56PVC. Packaging: Tube/Rail. Core Processor: 8051. Applications: USB Microcontroller. Mounting: SMD (SMT). Number of I/O: 24. Program Memory Type: ROMless. Controller Series: CY7C680xx. Categories: Integrated... [See More]
- ROM Type: ROMLess; ROMless
- RAM: 16
- Life Cycle Stage: Obsolete(EOL)
- Supply Voltage: 3 to 3.6
from Rochester Electronics
P80C552 - 80C51, Embedded 8-bit microcontroller, ROMLess [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Rochester Active
- Data Bus: 8 Bit
- Package Type: QFP; Other; LQFP80
from DigiKey
C28x Automotive, AEC-Q100, C2000 ™ C28x Fixed-Point Microcontroller IC 32-Bit Single-Core 150MHz ROMless 128-LQFP (14x14) [See More]
- ROM Type: ROMLess
- Clock Speed: 150
- Data Bus: 32 Bit
- RAM: 20
from ODG (Origin Data Global)
IC MCU 16BIT ROMLESS 128TQFP [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 25
- Data Bus: 16 Bit
- RAM: 10
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 203184-CY7C68013-56PVXC. Packaging: Tube/Rail. Core Processor: 8051. Applications: USB Microcontroller. Mounting: SMD (SMT). Number of I/O: 24. Program Memory Type: ROMless. Controller Series: CY7C680xx. Categories: Integrated... [See More]
- ROM Type: ROMLess; ROMless
- RAM: 16
- Life Cycle Stage: Obsolete(EOL)
- Supply Voltage: 3 to 3.6
from Rochester Electronics
P80C554 - 80C51, Embedded 8-bit microcontroller, ROMLess [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Rochester Active
- Data Bus: 8 Bit
- Package Type: QFP; Other; LQFP64
from DigiKey
C28x C2000 ™ C28x Fixed-Point Microcontroller IC 32-Bit Single-Core 150MHz ROMless 176-LQFP (24x24) [See More]
- ROM Type: ROMLess
- Clock Speed: 150
- Data Bus: 32 Bit
- RAM: 20
from ODG (Origin Data Global)
IC MCU 16BIT ROMLESS 80MQFP [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 20
- Data Bus: 16 Bit
- RAM: 1
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 086639-CY7C68013A-100AXC. Packaging: Tray. Core Processor: 8051. Applications: USB Microcontroller. Mounting: SMD (SMT). Number of I/O: 40. Program Memory Type: ROMless. Controller Series: CY7C680xx. Family Name: CY7C68013A-100AXC. [See More]
- ROM Type: ROMLess; ROMless
- RAM: 16
- Life Cycle Stage: Active
- Supply Voltage: 3 to 3.6
from Rochester Electronics
SAFC165H - MCU 16-bit C166 CISC/RISC ROMLess 3.3V [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Obsolete
- Data Bus: 16 Bit
- Package Type: QFP; Other; QFP144
from DigiKey
MSP430 CPU16 MSP430L092 Microcontroller IC 16-Bit 4MHz ROMless 14-TSSOP [See More]
- ROM Type: ROMLess
- Clock Speed: 4
- Data Bus: 16 Bit
- RAM: 2
from ODG (Origin Data Global)
IC MCU 16BIT ROMLESS 100MQFP [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 20
- Data Bus: 16 Bit
- RAM: 2
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 1165727-CY7C68013A-100AXI. Series: EZ-USB FX2LP. Packaging: Tray. Operating Temperature Range: -40 °C ~ 85 °C. Core Processor: 8051. Package: 100-LQFP. Applications: USB Microcontroller. Mounting: SMD. Operating Supply... [See More]
- ROM Type: ROMLess; ROMless
- Supply Voltage: 3 to 3.6
- RAM: 16
- Serial Interface: I²C; USART; USB; I2C, USB, USART
from Rochester Electronics
Microcontroller, 16-Bit, MCS96 Comp CPU, ROMLess, 5V, 100-Pin SQFP [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Obsolete
- Data Bus: 16 Bit; 16-Bit
- Package Type: QFP; Other; SQFP100
from DigiKey
ARM7 ® BlueStreak ; LH7 Microcontroller IC 32-Bit Single-Core 77.4MHz ROMless [See More]
- ROM Type: ROMLess
- Clock Speed: 77.4
- Data Bus: 32 Bit
- RAM: 32
from ODG (Origin Data Global)
IC MCU 16BIT ROMLESS 144MQFP [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 25
- Data Bus: 16 Bit
- RAM: 4
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 086386-CY7C68013A-128AXC. Packaging: Tray. Core Processor: 8051. Applications: USB Microcontroller. Mounting: SMD (SMT). Number of I/O: 40. Program Memory Type: ROMless. Controller Series: CY7C680xx. Family Name: CY7C68013A-128AXC. [See More]
- ROM Type: ROMLess; ROMless
- RAM: 16
- Life Cycle Stage: Active
- Supply Voltage: 3 to 3.6
from DigiKey
ST10 ST10 Microcontroller IC 16-Bit 50MHz ROMless 100-TQFP (14x14) [See More]
- ROM Type: ROMLess
- Clock Speed: 50
- Data Bus: 16 Bit
- RAM: 1
from ODG (Origin Data Global)
IC MCU 16BIT ROMLESS 128QFP [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 20
- Data Bus: 16 Bit
- RAM: 8
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 040024-CY7C68013A-128AXI. Packaging: Tray. Core Processor: 8051. Applications: USB Microcontroller. Mounting: SMD (SMT). Number of I/O: 40. Program Memory Type: ROMless. Controller Series: CY7C680xx. Categories: Integrated Circuits. [See More]
- ROM Type: ROMLess; ROMless
- RAM: 16
- Life Cycle Stage: Active
- Supply Voltage: 3 to 3.6
from DigiKey
STM32N [See More]
- ROM Type: ROMLess
- Clock Speed: 800
- Data Bus: 32 Bit
- RAM: 4200
from ODG (Origin Data Global)
IC MCU 32BIT ROMLESS 256BGA [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 240
- Data Bus: 32 Bit
- RAM: 48
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 000440-CY7C68013A-56BAXC. Packaging: Tray. Core Processor: 8051. Applications: USB Microcontroller. Mounting: SMD (SMT). Number of I/O: 24. Program Memory Type: ROMless. Controller Series: CY7C680xx. Categories: Integrated Circuits. [See More]
- ROM Type: ROMLess; ROMless
- RAM: 16
- Life Cycle Stage: Active
- Supply Voltage: 3 to 3.6
from DigiKey
STM32N [See More]
- ROM Type: ROMLess
- Clock Speed: 800
- Data Bus: 32 Bit
- RAM: 4200
from ODG (Origin Data Global)
IC MCU 32BIT ROMLESS 256LFBGA [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 200
- Data Bus: 32 Bit
- RAM: 48
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 128053-CY7C68013A-56LFXC. Packaging: Tube/Rail. Core Processor: 8051. Applications: USB Microcontroller. Mounting: SMD (SMT). Number of I/O: 24. Program Memory Type: ROMless. Controller Series: CY7C680xx. Categories: Integrated... [See More]
- ROM Type: ROMLess; ROMless
- RAM: 16
- Life Cycle Stage: Obsolete(EOL)
- Supply Voltage: 3 to 3.6
from DigiKey
STM32N [See More]
- ROM Type: ROMLess
- Clock Speed: 800
- Data Bus: 32 Bit
- RAM: 4200
from ODG (Origin Data Global)
IC MCU 32BIT ROMLESS 176LFQFP [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 200
- Data Bus: 32 Bit
- RAM: 128
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 203185-CY7C68013A-56LFXI. Packaging: Tray. Core Processor: 8051. Applications: USB Microcontroller. Mounting: SMD (SMT). Number of I/O: 24. Program Memory Type: ROMless. Controller Series: CY7C680xx. Categories: Integrated Circuits. [See More]
- ROM Type: ROMLess; ROMless
- RAM: 16
- Life Cycle Stage: Obsolete(EOL)
- Supply Voltage: 3 to 3.6
from DigiKey
STM32N [See More]
- ROM Type: ROMLess
- Clock Speed: 800
- Data Bus: 32 Bit
- RAM: 4200
from ODG (Origin Data Global)
IC MCU 16BIT ROMLESS 68PLCC [See More]
- ROM Type: ROMLess; ROMless
- Clock Speed: 20
- Data Bus: 16 Bit
- RAM: 0.4880
from Win Source Electronics
Manufacturer: Cypress Semiconductor Corp. Win Source Part Number: 013525-CY7C68013A-56LTXC. Packaging: Tray. Core Processor: 8051. Applications: USB Microcontroller. Mounting: SMD (SMT). Number of I/O: 24. Program Memory Type: ROMless. Controller Series: CY7C680xx. Family Name: CY7C68013A-56LTXC. [See More]
- ROM Type: ROMLess; ROMless
- RAM: 16
- Life Cycle Stage: Active
- Supply Voltage: 3 to 3.6
from DigiKey
STM32N [See More]
- ROM Type: ROMLess
- Clock Speed: 800
- Data Bus: 32 Bit
- RAM: 4200
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 16BIT ROMLESS 100TQFP [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 16 Bit
- Clock Speed: 20
from Microchip Technology, Inc.
High-performance version of the 80C51 8-bit microcontrollers that retains all features of the 80C52 adn adds programmable counter array, 1024 bytes of XRAM, hardware watchdog timer, keyboard interface, versatile serial channel that facilitates multiprocessor communication (EUART), and a speed... [See More]
- ROM Type: ROMLess
- Package Type: CDIP; Other; ['LQFP', 'PLCC', 'PDIP']
- RAM: 1.00E-3
- Pin Count: 44
from Utmel Electronic Limited
16-bit Microcontrollers - MCU 16B ROMLESS MCU Lo Vltg with MAC [See More]
- ROM Type: ROMLess; ROM
- Life Cycle Stage: Obsolete
- Data Bus: 16 Bit
- Number: 5
from Karl Kruse GmbH & Co. KG
Karl Kruse is a worldwide leading franchised distributor (ISO: 9001-2008 certified). A service provider specializing in the supply and material management of electronic components, since 1951. We are an innovative company who is dedicated to collaborating with customers and partners to develop... [See More]
- ROM Type: ROMLess
- Package Type: Other; MQF
- Data Bus: 16 Bit
- Pin Count: 100
from Acme Chip Technology Co., Limited
MICROCONTROLLER, 8096 CPU [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 16 Bit
- Clock Speed: 12
from Shenzhen Shengyu Electronics Technology Limited
16-BIT, 8096 CPU, 12MHZ [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 16 Bit
- Clock Speed: 12
from Microchip Technology, Inc.
High-performance ROM version of the 80C51 single-chip, 8-bit microcontroller with full-speed USB functions. It is pin-compatible with AT89C5130A 16-KB and AT89C5131A 32-KB ISP flash microcontrollers, allowing those devices be used for development and pre-production while this device can be used in... [See More]
- ROM Type: ROMLess
- Serial Interface: USB
- RAM: 1.00E-3
- Pin Count: 32
from Utmel Electronic Limited
ARM Microcontrollers - MCU 16b ROMLess 160I/O [See More]
- ROM Type: ROMLess; ROM
- Life Cycle Stage: Declining; Not For New Designs
- Data Bus: 32 Bit
- Clock Speed: 25
from Acme Chip Technology Co., Limited
80L186-16-BIT MICROCONTROLLER [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 16 Bit
- Clock Speed: 20
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 32BIT ROMLESS 256CTBGA [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Obsolete
- Data Bus: 32 Bit
- Clock Speed: 150
from Utmel Electronic Limited
ARM Microcontrollers - MCU ARM7 USBHOST/ENET ROMLESS [See More]
- ROM Type: ROMLess; ROM
- Life Cycle Stage: Declining; Not For New Designs
- Data Bus: 32 Bit
- Clock Speed: 24
from Acme Chip Technology Co., Limited
80L186-16-BIT MICROCONTROLLER [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 16 Bit
- Clock Speed: 33
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 32BIT ROMLESS 208LQFP [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Obsolete
- Data Bus: 32 Bit
- Clock Speed: 150
from Utmel Electronic Limited
Coldfire V2 MCF520x Microcontroller IC 32-Bit 166.67MHzROMless 196-MAPBGA (15x15) [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Obsolete
- Data Bus: 32 Bit
- RAM: 16
from Acme Chip Technology Co., Limited
IC MCU 16BIT ROMLESS 80MQFP [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 16 Bit
- Clock Speed: 20
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 32BIT ROMLESS 196CTBGA [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Obsolete
- Data Bus: 32 Bit
- Clock Speed: 150
from Utmel Electronic Limited
Coldfire V2 MCF520x Microcontroller IC 32-Bit 25MHzROMless 160-QFP (28x28) [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Obsolete
- Data Bus: 32 Bit
- RAM: 0.5120
from Acme Chip Technology Co., Limited
IC MCU 32BIT ROMLESS [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 32 Bit
- Clock Speed: 33
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 8/16BIT ROMLESS 40PDIL [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Obsolete
- Data Bus: 8 Bit; 16 Bit
- Clock Speed: 24
from Utmel Electronic Limited
Coldfire V2 MCF528x Microcontroller IC 32-Bit 66MHzROMless 256-MAPBGA [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Obsolete
- Data Bus: 32 Bit
- RAM: 64
from Acme Chip Technology Co., Limited
IC MCU 32BIT ROMLESS 176LQFP [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Obsolete
- Data Bus: 32 Bit
- Clock Speed: 77.4
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 8/16BIT ROMLESS 44PLCC [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Obsolete
- Data Bus: 8 Bit; 16 Bit
- Clock Speed: 24
from Utmel Electronic Limited
Coldfire V4 MCF5445x Microcontroller IC 32-Bit 200MHzROMless 360-PBGA (23x23) [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Active
- Data Bus: 32 Bit
- Clock Speed: 66
from Acme Chip Technology Co., Limited
IC MCU 32BIT ROMLESS 208LFBGA [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Obsolete
- Data Bus: 32 Bit
- Clock Speed: 76.2
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 8BIT ROMLESS 40PDIL [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Obsolete
- Data Bus: 8 Bit
- Clock Speed: 1.5
from Utmel Electronic Limited
Coldfire V4E MCF547x Microcontroller IC 32-Bit 200MHzROMless 388-PBGA (27x27) [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Obsolete
- Data Bus: 32 Bit
- RAM: 32
from Acme Chip Technology Co., Limited
IC MCU 32BIT ROMLESS 256BGA [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Obsolete
- Data Bus: 32 Bit
- Clock Speed: 200
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 8BIT ROMLESS 44PLCC [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 8 Bit
- Clock Speed: 2
from Utmel Electronic Limited
CPU16 HC16 Microcontroller IC 16-Bit 16MHzROMless 144-LQFP (20x20) [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Obsolete
- Data Bus: 16 Bit
- RAM: 1
from Acme Chip Technology Co., Limited
IC MCU 32BIT ROMLESS 324LFBGA [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Obsolete
- Data Bus: 32 Bit
- Clock Speed: 200
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 8BIT ROMLESS 44VQFP [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Obsolete
- Data Bus: 8 Bit
- Clock Speed: 1.5
from Utmel Electronic Limited
HC11 HC11 Microcontroller IC 8-Bit 3MHzROMless 52-PLCC (19.1x19.1) [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Obsolete
- Data Bus: 8 Bit
- RAM: 0.2560
from Acme Chip Technology Co., Limited
IC MCU 16/32BIT ROMLESS 144TFBGA [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 16 Bit; 32 Bit
- Clock Speed: 75
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 8BIT ROMLESS 44PLCC [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Obsolete
- Data Bus: 8 Bit
- Clock Speed: 2
from Utmel Electronic Limited
HC11 HC11 Microcontroller IC 8-Bit 4MHzROMless 84-PLCC (29.21x29.21) [See More]
- ROM Type: ROMLess
- Life Cycle Stage: Obsolete
- Data Bus: 8 Bit
- RAM: 0.7680
from Acme Chip Technology Co., Limited
16-BIT, 25.17MHZ, HCMOS, PQFP132 [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 8 Bit
- Clock Speed: 25
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 8BIT ROMLESS 44VQFP [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 8 Bit
- Clock Speed: 1.5
from Utmel Electronic Limited
IC 80C51 MCU 256 ROMLESS 40DIP [See More]
- ROM Type: ROMLess; ROM
- Life Cycle Stage: Obsolete
- Data Bus: 8 Bit
- Clock Speed: 33
from Acme Chip Technology Co., Limited
MPU COLDFIRE MCF5XXX PROCESSOR R [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 32 Bit
- Clock Speed: 220
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 8BIT ROMLESS 44VQFP [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Obsolete
- Data Bus: 8 Bit
- Clock Speed: 2
from Utmel Electronic Limited
IC MCU 16/32BIT ROMLESS 100LQFP [See More]
- ROM Type: ROMLess; ROM
- RAM: 136
- Life Cycle Stage: Obsolete
- Package Type: QFP; Other; 100-LQFP
from Acme Chip Technology Co., Limited
MICROPROCESSOR, 32 BIT, COLDFIRE [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 32 Bit
- Clock Speed: 250
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 8BIT ROMLESS 80TQFP [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Obsolete
- Data Bus: 8 Bit
- Clock Speed: 40
from Utmel Electronic Limited
IC MCU 16BIT ROMLESS 100LQFP [See More]
- ROM Type: ROMLess; ROM
- Life Cycle Stage: Active
- Data Bus: 16 Bit
- Number: 11
from Acme Chip Technology Co., Limited
RISC MPU, 32-BIT, 400MHZ PBGA516 [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 32 Bit
- Clock Speed: 400
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 16/32BIT ROMLESS 100LQFP [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 16 Bit; 32 Bit
- Clock Speed: 33
from Utmel Electronic Limited
IC MCU 16BIT ROMLESS 144MQFP [See More]
- ROM Type: ROMLess; ROM
- Life Cycle Stage: Discontinued
- Data Bus: 16 Bit
- Number: 5
from Acme Chip Technology Co., Limited
REAL TIME EXPRESS MCU [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 16 Bit
- Clock Speed: 8
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 16/32BIT ROMLESS 100LQFP [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 16 Bit; 32 Bit
- Clock Speed: 33
from Utmel Electronic Limited
IC MCU 32BIT ROMLESS [See More]
- ROM Type: ROMLess; ROM
- RAM: 360
- Life Cycle Stage: Active
- Package Type: BGA; Other; 180-TFBGA
from Acme Chip Technology Co., Limited
LEGACY 16-BIT MCU [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 16 Bit
- Clock Speed: 20
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 16/32BIT ROMLESS 144LQFP [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 16 Bit; 32 Bit
- Clock Speed: 33
from Utmel Electronic Limited
IC MCU 32BIT ROMLESS 120LQFP [See More]
- ROM Type: ROMLess; ROM
- Life Cycle Stage: Active
- Data Bus: 32 Bit
- Number: 7
from Acme Chip Technology Co., Limited
LEGACY 16 BIT MICROCONTROLLER [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 16 Bit
- Clock Speed: 20
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 16/32BIT ROMLESS 144BGA [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 16 Bit; 32 Bit
- Clock Speed: 33
from Utmel Electronic Limited
IC MCU 32BIT ROMLESS 128TQFP [See More]
- ROM Type: ROMLess; ROM
- RAM: 256
- Life Cycle Stage: Active
- Serial Interface: USB; USB
from Acme Chip Technology Co., Limited
8-BIT, 8051 CPU, 16MHZ [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 8 Bit
- Clock Speed: 16
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 16/32BIT ROMLESS 176BGA [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 16 Bit; 32 Bit
- Clock Speed: 33
from Utmel Electronic Limited
IC MCU 32BIT ROMLESS 144LFQFP [See More]
- ROM Type: ROMLess; ROM
- Life Cycle Stage: Active
- Data Bus: 32 Bit
- Number: 7
from Acme Chip Technology Co., Limited
IC MCU 32BIT ROMLESS 236FBGA [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Discontinued at Digi-Key
- Data Bus: 32 Bit
- RAM: 256
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 16BIT ROMLESS 128TQFP [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Obsolete
- Data Bus: 16 Bit
- Clock Speed: 25
from Utmel Electronic Limited
IC MCU 32BIT ROMLESS 179BGA [See More]
- ROM Type: ROMLess; ROM
- Life Cycle Stage: Obsolete
- Data Bus: 32 Bit
- Number: 8
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 16BIT ROMLESS 80MQFP [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Obsolete
- Data Bus: 16 Bit
- Clock Speed: 20
from Utmel Electronic Limited
IC MCU 32BIT ROMLESS 208CABGA [See More]
- ROM Type: ROMLess; ROM
- Life Cycle Stage: Discontinued
- Data Bus: 32 Bit
- RAM: 16
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 16BIT ROMLESS 100TQFP [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Obsolete
- Data Bus: 16 Bit
- Clock Speed: 25
from Utmel Electronic Limited
IC MCU 32BIT ROMLESS 240LFBGA [See More]
- ROM Type: ROMLess; ROM
- Life Cycle Stage: Active
- Data Bus: 32 Bit
- Number: 4
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 16BIT ROMLESS 100MQFP [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Obsolete
- Data Bus: 16 Bit
- Clock Speed: 25
from Utmel Electronic Limited
IC MCU 32BIT ROMLESS 256LBGA [See More]
- ROM Type: ROMLess; ROM
- Life Cycle Stage: Active
- Data Bus: 32 Bit
- Clock Speed: 25
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 16BIT ROMLESS 144MQFP [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Removed; Discontinued at Digi-Key
- Data Bus: 16 Bit
- Clock Speed: 25
from Utmel Electronic Limited
IC MCU 32BIT ROMLESS 256LFBGA [See More]
- ROM Type: ROMLess; ROM
- Life Cycle Stage: Active
- Data Bus: 32 Bit
- Supply Voltage: 1.18
from Shenzhen Shengyu Electronics Technology Limited
IC MCU 16BIT ROMLESS 100QFP [See More]
- ROM Type: ROMLess; ROMless
- Life Cycle Stage: Active
- Data Bus: 16 Bit
- Clock Speed: 20
from Utmel Electronic Limited
IC MCU 32BIT ROMLESS 256LQFP [See More]
- ROM Type: ROMLess; ROM
- Life Cycle Stage: Active
- Data Bus: 32 Bit
- Supply Voltage: 1.18