Parallel EEPROM
Reviewed by: Jon Lowy, consulting engineer
Description
Parallel EEPROM (Electrically Erasable Programmable Read-Only Memory) is a non-volatile memory device that allows data to be stored and retrieved in a parallel format. It provides the ability to read and write multiple bits of data simultaneously, offering faster access times compared to serial EEPROM. Parallel EEPROM retains its stored information even when power is removed, making it suitable for applications that require persistent data storage.
Working Principle
Parallel EEPROM operates by using floating-gate transistors to store electrical charges, representing binary data. When writing data, a high voltage is applied to the floating gate, trapping electrons and changing the transistor's threshold voltage. Reading is accomplished by sensing the threshold voltage of each cell. The parallel architecture allows multiple bits to be accessed simultaneously, significantly reducing read and write times. This makes Parallel EEPROM particularly useful in applications requiring quick data access and frequent updates to stored information.
Applications
Parallel EEPROM finds extensive use in automotive systems, particularly in engine control units (ECUs) for storing calibration data and diagnostic information. It is also commonly employed in industrial automation equipment, such as programmable logic controllers (PLCs), to store configuration settings and process parameters. In consumer electronics, Parallel EEPROM is used in digital cameras to store user settings and calibration data. Additionally, it serves as a critical component in point-of-sale terminals for storing transaction logs and merchant information.
Advantages over other EEPROM
Parallel EEPROM offers several advantages over its serial counterpart. Its parallel interface allows for faster data transfer rates, making it ideal for applications requiring quick boot times or frequent data updates. For instance, in a digital multimeter, Parallel EEPROM can store calibration data and provide rapid access during device startup, ensuring immediate accuracy. The ability to read and write multiple bits simultaneously also reduces overall power consumption in battery-operated devices. Furthermore, Parallel EEPROM typically offers higher density options, allowing for larger storage capacities in a single chip, which is beneficial in complex systems like industrial robots that require extensive configuration data storage.
Limitations
Despite its advantages, Parallel EEPROM has some limitations. It typically requires more pins for interfacing compared to serial EEPROM, which can increase board complexity and size. This makes it less suitable for space-constrained applications like wearable devices. Parallel EEPROM also has a limited number of write cycles (typically around 100,000 to 1,000,000), which can be a concern in applications requiring frequent data updates. Additionally, it is more susceptible to electromagnetic interference due to its parallel data lines, potentially leading to data corruption in noisy environments like factory floors or near high-power electrical equipment.
Considerations
When implementing Parallel EEPROM, several factors should be considered. Initial costs are generally higher than serial EEPROM due to the more complex interface and higher pin count. Operating expenses can be affected by power consumption, which, while lower per operation, may be higher overall in systems requiring frequent memory access. Durability is a key consideration, especially in harsh environments; industrial-grade Parallel EEPROMs with extended temperature ranges and enhanced reliability should be selected for such applications. Accuracy of data retention over time and under varying conditions must be evaluated, particularly for critical systems like medical devices. Replacement and maintenance costs should be factored in, considering the limited write cycle endurance. Regular data integrity checks and potential redundancy measures may be necessary in long-term deployments to ensure data reliability and system longevity.
from RS Components, Ltd.
EEPROM 64K (8K X 8) 15ONS 32PLCC [See More]
- Bus Type: Parallel; Parallel
- Number of Words: 8
- Density: 64
- Bits per Word: 8
from RS Components, Ltd.
64K (8Kx8) EEPROM 150ns,AT28C64B-15PU [See More]
- Bus Type: Parallel; Parallel
- Number of Words: 8
- Density: 64
- Bits per Word: 8
from RS Components, Ltd.
EEPROM Parallel 64K-bit 8Kx8 5V 28-Pin [See More]
- Bus Type: Parallel; Parallel
- Package Type: SOIC; SOIC
- Density: 512
- Pins: 28
from RS Components, Ltd.
150NS, SOIC, IND TEMP, GREEN [See More]
- Bus Type: Parallel; Parallel
- Number of Words: 32
- Density: 256
- Bits per Word: 8
from RS Components, Ltd.
70NS, PLCC, IND TEMP, GREEN [See More]
- Bus Type: Parallel; Parallel
- Number of Words: 8
- Density: 64
- Bits per Word: 8
from RS Components, Ltd.
120NS, PLCC, IND TEMP, GREEN [See More]
- Bus Type: Parallel; Parallel
- Number of Words: 8
- Density: 64
- Bits per Word: 8
from RS Components, Ltd.
120NS, SOIC, IND TEMP, GREEN [See More]
- Bus Type: Parallel; Parallel
- Number of Words: 8
- Density: 64
- Bits per Word: 8
from RS Components, Ltd.
200NS, PLCC, IND TEMP, GREEN [See More]
- Bus Type: Parallel; Parallel
- Bits per Word: 8
- Number of Words: 128
- Access Time: 200
from TT Semiconductor, Inc.
Density: 1M. Org: 128k x 8. Vcc: 5v. Speed (nS): 200,250 [See More]
- Bus Type: Parallel
- Number of Words: 128
- Density: 1000
- Bits per Word: 8
from Acme Chip Technology Co., Limited
IC EEPROM 64KBIT PARALLEL [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete
- Density: 64
from Microchip Technology, Inc.
The Microchip AT28C010 is a high-performance 1-megabit Parallel EEPROM available in both Industrial and Military temp ranges, offering access times to 120ns with power dissipation of 220mW (440mW military). Deselected, CMOS standby current is less than 200 µA (300 µA military). Access like... [See More]
- Bus Type: Parallel
- Data Rate: 120
- Density: 1000
- Access Time: 120 to 150
from Quarktwin Technology Ltd.
EEPROM Memory IC 16Kbit Parallel 150 ns [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete; Discontinued
- Density: 16
- Access Time: 150
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 256KBIT PAR 32PLCC [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 256
- Supply Voltage: -40degC ~ 85degC (TC)
from Lingto Electronic Limited
16K (2K X 8) CMOS EEPROM [See More]
- Bus Type: Parallel
- Access Time: 150
- Density: 16
from Acme Chip Technology Co., Limited
IC EEPROM 64KBIT PARALLEL [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 64
- Package Type: 200 ns
from Microchip Technology, Inc.
The Microchip AT28C256 is a high-performance 256Kbit Parallel EEPROM available in both Industrial and Military temp ranges, offering access times to 150ns with power dissipation of 440mW. Deselected, CMOS standby current is less than 200 μA. Accessed like static RAM for the read or write cycle... [See More]
- Bus Type: Parallel
- Access Time: 150 to 250
- Density: 256
- Data Retention: 10
from Quarktwin Technology Ltd.
EEPROM Memory IC 16Kbit Parallel 150 ns 32-PLCC (11.43x13.97) [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete; Discontinued
- Density: 16
- Access Time: 150
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 256KBIT PAR 28SOIC [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 256
- Supply Voltage: Surface Mount
from Lingto Electronic Limited
16K (2K X 8) CMOS EEPROM [See More]
- Bus Type: Parallel
- Access Time: 150
- Density: 16
from Acme Chip Technology Co., Limited
IC EEPROM 1MBIT PAR 32CERDIP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 1000
- Supply Voltage: Through Hole
from Microchip Technology, Inc.
The Microchip AT28C64B is a high-performance 64Kbit Parallel EEPROM offering access times to 150ns with power dissipation of 220mW. Deselected, CMOS standby current is less than 100 µA. Accessed like static RAM for the read or write cycle without external components, it contains a 64-byte page... [See More]
- Bus Type: Parallel
- Access Time: 150
- Density: 64
- Data Retention: 10
from Quarktwin Technology Ltd.
EEPROM Memory IC 16Kbit Parallel 200 ns [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete; Discontinued
- Density: 16
- Access Time: 200
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 256KBIT PAR 28TSOP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete
- Density: 256
- Supply Voltage: -40degC ~ 85degC (TC)
from Lingto Electronic Limited
16K (2K X 8) CMOS EEPROM [See More]
- Bus Type: Parallel
- Access Time: 200
- Density: 16
from Acme Chip Technology Co., Limited
IC EEPROM 1MBIT PAR 32FLATPACK [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 1000
- Supply Voltage: Surface Mount
from Microchip Technology, Inc.
The Microchip AT28HC64BF is a high-performance 64Kbit Parallel EEPROM offering access times to 55ns with power dissipation of 220mW. Deselected, CMOS standby current is less than 100 µA. Accessed like static RAM for the read or write cycle without external components, it contains a 64-byte page... [See More]
- Bus Type: Parallel
- Access Time: 70 to 120
- Density: 64
- Data Retention: 10
from Quarktwin Technology Ltd.
EEPROM Memory IC 64Kbit Parallel 200 ns [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete; Discontinued
- Density: 64
- Access Time: 200
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 1MBIT PARALLEL 32LCC [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 1000
- Supply Voltage: Surface Mount
from Lingto Electronic Limited
64K (8K X 8) CMOS EEPROM [See More]
- Bus Type: Parallel
- Access Time: 200
- Density: 64
from Acme Chip Technology Co., Limited
IC EEPROM 1MBIT PARALLEL 44CLCC [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 1000
- Supply Voltage: Surface Mount
from Microchip Technology, Inc.
The Microchip AT28HC256 is a high-performance 256Kbit Parallel EEPROM available in both Industrial and Military temp ranges, offering access times to 70ns with power dissipation of 440mW. Deselected, CMOS standby current is less than 5mA. Accessed like static RAM for the read or write cycle without... [See More]
- Bus Type: Parallel
- Access Time: 70 to 120
- Density: 256
- Data Retention: 10
from Quarktwin Technology Ltd.
EEPROM Memory IC 64Kbit Parallel 250 ns [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete; Discontinued
- Density: 64
- Access Time: 250
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 1MBIT PAR 32FLATPACK [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 1000
- Supply Voltage: Surface Mount
from Lingto Electronic Limited
64K (8K X 8) CMOS EEPROM [See More]
- Bus Type: Parallel
- Access Time: 250
- Density: 64
from Acme Chip Technology Co., Limited
IC EEPROM 1MBIT PARALLEL 32LCC [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 1000
- Supply Voltage: Surface Mount
from Microchip Technology, Inc.
The Microchip AT28HC64B is a high-performance 64Kbit Parallel EEPROM offering access times to 55ns with power dissipation of 220mW. Deselected, CMOS standby current is less than 100 μA. Accessed like static RAM for the read or write cycle without external components, it contains a 64-byte page... [See More]
- Bus Type: Parallel
- Access Time: 70 to 120
- Density: 64
- Data Retention: 10
from Quarktwin Technology Ltd.
EEPROM Memory IC 64Kbit Parallel 250 ns [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 64
- Access Time: 250
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 1MBIT PARALLEL 32PLCC [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 1000
- Supply Voltage: -40degC ~ 85degC (TC)
from Lingto Electronic Limited
DUAL MARKED (5962-8751420ZA) [See More]
- Bus Type: Parallel
- Access Time: 250
- Density: 64
from Acme Chip Technology Co., Limited
IC EEPROM 1MBIT PARALLEL 30CPGA [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 1000
- Supply Voltage: Through Hole
from Microchip Technology, Inc.
The Microchip AT28BV256 is a high-performance 256Kbit Parallel EEPROM offering access times to 200ns with 54mW power dissipation and 2.7V supply voltage. Deselected, CMOS standby current is less than 20 µA. Access like static RAM for the read or write cycle without external components; it... [See More]
- Bus Type: Parallel
- Access Time: 200
- Density: 256
- Data Retention: 10
from Quarktwin Technology Ltd.
EEPROM Memory IC 64Kbit Parallel 200 ns [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 64
- Access Time: 200
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 1MBIT PARALLEL 44CLCC [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 1000
- Supply Voltage: Surface Mount
from Lingto Electronic Limited
DUAL MARKED (5962-8751421XA) [See More]
- Bus Type: Parallel
- Access Time: 200
- Density: 64
from Acme Chip Technology Co., Limited
IC EEPROM 256KBIT PAR 28CPGA [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 256
- Supply Voltage: Through Hole
from Microchip Technology, Inc.
The Microchip AT28BV64B is a high-performance 64Kbit Parallel EEPROM offering access times to 200ns with 54mW power dissipation and 2.7V supply voltage. Deselected, CMOS standby current is less than 20 µA. Access like static RAM for the read or write cycle without external components; it... [See More]
- Bus Type: Parallel
- Access Time: 200
- Density: 64
- Data Retention: 10
from Quarktwin Technology Ltd.
EEPROM Memory IC 16Kbit Parallel 250 ns 32-PLCC (13.97x11.43) [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete; Discontinued
- Density: 16
- Access Time: 250
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 1MBIT PARALLEL 32DIP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete
- Density: 1000
- Supply Voltage: Through Hole
from Lingto Electronic Limited
IC EEPROM 16KBIT PARALLEL 32PLCC [See More]
- Bus Type: Parallel
- Access Time: 250
- Density: 16
from Acme Chip Technology Co., Limited
IC EEPROM 256KBIT PAR 28FLATPK [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 256
- Supply Voltage: Surface Mount
from Microchip Technology, Inc.
High-performance 1M EEPROM offers access times to 200ns with 54mW power dissipation and 3.0V supply voltage. Deselected, CMOS standby current is less than 20 µA . It is accessed like static RAM for the read or write cycle without external components, it contains a 128-byte page register to... [See More]
- Bus Type: Parallel
- Access Time: 200 to 250
- Density: 1000
- Data Retention: 10
from Quarktwin Technology Ltd.
EEPROM Memory IC 16Kbit Parallel 250 ns 24-PDIP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete; Discontinued
- Density: 16
- Access Time: 250
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 1MBIT PARALLEL 32TSOP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 1000
- Supply Voltage: -40degC ~ 85degC (TC)
from Lingto Electronic Limited
IC EEPROM 16KBIT PARALLEL 24DIP [See More]
- Bus Type: Parallel
- Access Time: 250
- Density: 16
from Acme Chip Technology Co., Limited
CAT28LV256 - 256-KBit Parallel E [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete
- Density: 256
- Supply Voltage: Surface Mount
from Quarktwin Technology Ltd.
EEPROM Memory IC 16Kbit Parallel 250 ns 24-SOIC [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete; Discontinued
- Density: 16
- Access Time: 250
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 1MBIT PARALLEL 30CPGA [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 1000
- Supply Voltage: Through Hole
from Lingto Electronic Limited
IC EEPROM 16KBIT PARALLEL 24SOIC [See More]
- Bus Type: Parallel
- Access Time: 250
- Density: 16
from Acme Chip Technology Co., Limited
IC EEPROM 512KBIT PAR 32CDIP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 512
- Supply Voltage: Through Hole
from Quarktwin Technology Ltd.
EEPROM Memory IC 16Kbit Parallel 250 ns 28-TSOP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete; Discontinued
- Density: 16
- Access Time: 250
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 1MBIT PARALLEL 32CDIP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 1000
- Supply Voltage: 32-CDIP (0.600, 15.24mm)
from Lingto Electronic Limited
IC EEPROM 16KBIT PARALLEL 28TSOP [See More]
- Bus Type: Parallel
- Access Time: 250
- Density: 16
from Acme Chip Technology Co., Limited
IC EEPROM 256KBIT PAR 32PLCC [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 256
- Supply Voltage: 0degC ~ 70degC (TA)
from Quarktwin Technology Ltd.
EEPROM Memory IC 256Kbit Parallel 200 ns 28-PDIP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete; Discontinued
- Density: 256
- Access Time: 200
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 1MBIT PARALLEL 44CLCC [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete
- Density: 1000
- Supply Voltage: Surface Mount
from Lingto Electronic Limited
IC EEPROM 256KBIT PAR 28SOIC [See More]
- Bus Type: Parallel
- Access Time: 200
- Density: 256
from Acme Chip Technology Co., Limited
IC EEPROM 64KBIT PARALLEL 28SOIC [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete
- Density: 64
- Access Time: 200
from Quarktwin Technology Ltd.
EEPROM Memory IC 256Kbit Parallel 200 ns 28-SOIC [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete; Discontinued
- Density: 256
- Access Time: 200
from Shenzhen Shengyu Electronics Technology Limited
AT28C010E - EEPROM, 128KX8, 120N [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 1000
- Supply Voltage: Surface Mount
from Lingto Electronic Limited
AT28BV256 - EEPROM, 32KX8, 200NS [See More]
- Bus Type: Parallel
- Access Time: 200
- Density: 256
from Acme Chip Technology Co., Limited
IC EEPROM 1MB SMD [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete
- Density: 1000
- Access Time: 150
from Quarktwin Technology Ltd.
EEPROM Memory IC 256Kbit Parallel 200 ns 28-TSOP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 256
- Access Time: 200
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 256KBIT PAR 28CERDIP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 256
- Supply Voltage: Through Hole
from Lingto Electronic Limited
IC EEPROM 1MBIT PARALLEL 32CDIP [See More]
- Bus Type: Parallel
- Access Time: 120
- Density: 1000
from Acme Chip Technology Co., Limited
IC EEPROM 256KBIT PAR 32PLCC [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete
- Density: 256
- Access Time: 90
from Quarktwin Technology Ltd.
EEPROM Memory IC 1Mbit Parallel 120 ns 32-CDIP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 1000
- Access Time: 120
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 256KBIT PAR 28FLATPK [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 256
- Supply Voltage: Surface Mount
from Lingto Electronic Limited
IC EEPROM 1MBIT PARALLEL 32LCC [See More]
- Bus Type: Parallel
- Access Time: 120
- Density: 1000
from Acme Chip Technology Co., Limited
IC EEPROM 256KBIT PARALLEL 28DIP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete
- Density: 256
- Access Time: 90
from Quarktwin Technology Ltd.
EEPROM Memory IC 1Mbit Parallel 120 ns 32-LCC (11.43x13.97) [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 1000
- Access Time: 120
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 256KBIT PARALLEL 28DIP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete
- Density: 256
- Supply Voltage: Through Hole
from Lingto Electronic Limited
IC EEPROM 1MBIT PAR 32FLATPACK [See More]
- Bus Type: Parallel
- Access Time: 120
- Density: 1000
from Acme Chip Technology Co., Limited
IC EEPROM 256KBIT 120NS 28SOIC [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete
- Density: 256
- Access Time: 120
from Quarktwin Technology Ltd.
EEPROM Memory IC 1Mbit Parallel 120 ns 32-FlatPack, Ceramic Bottom-Brazed [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 1000
- Access Time: 120
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 256KBIT PAR 28CPGA [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 256
- Supply Voltage: Through Hole
from Lingto Electronic Limited
IC EEPROM 1MBIT PARALLEL 44CLCC [See More]
- Bus Type: Parallel
- Access Time: 120
- Density: 1000
from Quarktwin Technology Ltd.
EEPROM Memory IC 1Mbit Parallel 120 ns 44-CLCC (16.55x16.55) [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 1000
- Access Time: 120
from Shenzhen Shengyu Electronics Technology Limited
AT28HC256 - EEPROM, 32KX8, 120NS [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 256
- Supply Voltage: Surface Mount
from Lingto Electronic Limited
IC EEPROM 1MBIT PARALLEL 32DIP [See More]
- Bus Type: Parallel
- Access Time: 120
- Density: 1000
from Quarktwin Technology Ltd.
EEPROM Memory IC 1Mbit Parallel 120 ns 32-PDIP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete; Discontinued
- Density: 1000
- Access Time: 120
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 16KBIT PARALLEL 32PLCC [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete
- Density: 16
- Supply Voltage: Surface Mount
from Lingto Electronic Limited
IC EEPROM 1MBIT PARALLEL 32TSOP [See More]
- Bus Type: Parallel
- Access Time: 120
- Density: 1000
from Quarktwin Technology Ltd.
EEPROM Memory IC 1Mbit Parallel 120 ns 32-TSOP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete; Discontinued
- Density: 1000
- Access Time: 120
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 16KBIT PARALLEL 24DIP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete
- Density: 16
- Supply Voltage: Through Hole
from Lingto Electronic Limited
IC EEPROM 1MBIT PARALLEL 30CPGA [See More]
- Bus Type: Parallel
- Access Time: 120
- Density: 1000
from Quarktwin Technology Ltd.
EEPROM Memory IC 1Mbit Parallel 120 ns 30-CPGA (16.51x13.97) [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 1000
- Access Time: 120
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 16KBIT PARALLEL 24SOIC [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete
- Density: 16
- Supply Voltage: Surface Mount
from Lingto Electronic Limited
IC EEPROM 1MBIT PARALLEL 44CLCC [See More]
- Bus Type: Parallel
- Access Time: 150
- Density: 1000
from Quarktwin Technology Ltd.
EEPROM Memory IC 1Mbit Parallel 150 ns 44-CLCC (16.55x16.55) [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete; Discontinued
- Density: 1000
- Access Time: 150
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 256KBIT PAR 28TSOP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete
- Density: 256
- Supply Voltage: Surface Mount
from Lingto Electronic Limited
IC EEPROM 1MBIT PARALLEL 32SOIC [See More]
- Bus Type: Parallel
- Access Time: 150
- Density: 1000
from Quarktwin Technology Ltd.
EEPROM Memory IC 1Mbit Parallel 150 ns 32-SOP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete; Discontinued
- Density: 1000
- Access Time: 150
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 256KBIT PARALLEL 28DIP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete
- Density: 256
- Supply Voltage: Through Hole
from Lingto Electronic Limited
IC EEPROM 256KBIT PAR 28CDIP [See More]
- Bus Type: Parallel
- Access Time: 150
- Density: 256
from Quarktwin Technology Ltd.
EEPROM Memory IC 256Kbit Parallel 150 ns 28-CerDip [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 256
- Access Time: 150
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 256KBIT PAR 32PLCC [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 256
- Supply Voltage: Surface Mount
from Lingto Electronic Limited
IC EEPROM 256KBIT PAR 28FLATPK [See More]
- Bus Type: Parallel
- Access Time: 150
- Density: 256
from Quarktwin Technology Ltd.
EEPROM Memory IC 256Kbit Parallel 150 ns 28-FlatPack, Ceramic Bottom-Brazed [See More]
- Bus Type: Parallel; Parallel
- Production Status: Active; Full Production
- Density: 256
- Access Time: 150
from Shenzhen Shengyu Electronics Technology Limited
IC EEPROM 512KBIT PARALLEL 32DIP [See More]
- Bus Type: Parallel; Parallel
- Production Status: Obsolete
- Density: 512
- Supply Voltage: Through Hole
from Lingto Electronic Limited
IC EEPROM 256KBIT PAR 28CPGA [See More]
- Bus Type: Parallel
- Access Time: 150
- Density: 256