Commercial EEPROM
Description
Commercial EEPROM (Electrically Erasable Programmable Read-Only Memory) is a type of non-volatile memory used in various electronic devices. It retains data even when the power is turned off, making it ideal for storing small amounts of data that must be saved between sessions. EEPROM is commonly integrated into microcontrollers and other digital devices to store configuration settings, calibration data, and other critical information that needs to persist without power.
Working Principle
EEPROM works by using an electrical charge to change the state of memory cells, allowing data to be written and erased electrically. This process involves a charge pump that generates the necessary voltage to alter the memory cells. The memory is organized into words and bits, with each bit representing a binary value. Before programming, an EEPROM bit must be erased, setting its value to 1. The charge pump requires a stabilization time of around 10 milliseconds after an erase or program operation. EEPROM is useful because it allows for byte-level data manipulation, making it flexible for applications requiring frequent updates to small data sets.
Applications
EEPROM is widely used in various applications across different industries. In consumer electronics, it is used in TV tuners, VCRs, and remote controls for storing channel selectors and analog control settings. In the automotive industry, EEPROM is utilized in airbags, anti-lock brakes, and keyless entry systems for storing fault detection and error diagnostics data. Office automation devices like printers and copiers use EEPROM for storing configuration settings and maintenance logs. In telecommunications, EEPROM is found in cellular phones and modems for storing last number redial and speed dial numbers. Industrial applications include bar code readers and point-of-sale terminals, where EEPROM stores calibration data and user-configurable settings.
Advantages over other EEPROM
One of the key advantages of commercial EEPROM over other types of EEPROM is its ability to perform byte-level erase, write, and read operations, which is particularly beneficial in applications requiring frequent updates to small data sets. Additionally, EEPROM's non-volatile nature ensures data retention without power, making it a reliable choice for critical data storage.
Limitations
EEPROM has some limitations, including a finite number of write and erase cycles, which can affect its lifespan in applications requiring frequent data updates. The charge pump's stabilization time can also introduce delays in write operations, impacting performance in time-sensitive applications. Furthermore, EEPROM typically has a lower density compared to other memory types, limiting the amount of data that can be stored.
Considerations
When considering EEPROM for a project, it's important to evaluate initial costs, which can vary based on the memory density and features required. Operating expenses are generally low due to EEPROM's non-volatile nature, which eliminates the need for continuous power to retain data. Durability is a concern due to the limited write and erase cycles, so applications with high write frequency may require more robust memory solutions. Accuracy in data retention is generally high, but developers should account for potential data corruption over time. Replacement and maintenance costs are minimal, but planning for eventual memory wear-out is advisable to ensure long-term reliability.
from ROHM Semiconductor GmbH
ROHM's high reliability serial EEPROMs command a large market share and are available in a range of capacities, bus interfaces (Microwire, I ²C, SPI), operating voltages (1.7V to 5.5V, 1.8V to 5.5V, 2.5V to 5.5V, 3.0V to 3.6V) and package types, making them ideal for battery powered devices. [See More]
- Operating Range: Commercial
- Bits per Word: 8
- Number of Words: 128
- Bus Type: I2C
from ROHM Semiconductor USA, LLC
BR25A1MF-3M is a 1Mbit Serial EEPROM of SPI BUS Interface. [See More]
- Operating Range: Commercial
- Number of Words: 128
- Density: 1024
- Bits per Word: 8
from Datakey
The IAX10.5Kb CryptoAuthentication ™ extended length memory token utilizes Microchip ’s ATECC608A CryptoAuthentication ™ IC, enabling embedded applications, like: • Secure storage/transfer of keys, certificates, passwords. • Secure credential with unique, read-only serial... [See More]
- Operating Range: Commercial; Industrial
- Data Retention: 10
- Density: 10
- Supply Voltage: 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V; 2.0 to 5.5 V
from ROHM Semiconductor GmbH
ROHM's high reliability serial EEPROMs command a large market share and are available in a range of capacities, bus interfaces (Microwire, I ²C, SPI), operating voltages (1.7V to 5.5V, 1.8V to 5.5V, 2.5V to 5.5V, 3.0V to 3.6V) and package types, making them ideal for battery powered devices. [See More]
- Operating Range: Commercial
- Bits per Word: 8
- Number of Words: 128
- Bus Type: I2C
from ROHM Semiconductor USA, LLC
BR25A1MFJ-3M is a 1Mbit Serial EEPROM of SPI BUS Interface. [See More]
- Operating Range: Commercial
- Number of Words: 128
- Density: 1024
- Bits per Word: 8
from Datakey
The IAT10.5Kb CryptoAuthentication ™ memory token utilizes Microchip ’s ATECC608A CryptoAuthentication ™ IC, enabling embedded applications, like: • Secure storage/transfer of keys, certificates, passwords. • Secure credential with unique, read-only serial number. •... [See More]
- Operating Range: Commercial; Industrial
- Data Retention: 10
- Density: 10
- Supply Voltage: 2.5V; 2.7V; 3V; 3.3V; 3.6V; 5V; 2.0 to 5.5 V
from ROHM Semiconductor GmbH
BR24G128FVM-5 is a 128kbit serial EEPROM of I ²C BUS Interface. [See More]
- Operating Range: Commercial
- Number of Words: 16
- Density: 128
- Bits per Word: 8
from ROHM Semiconductor USA, LLC
BR25A256FVT-3M is a 256Kbit serial EEPROM of SPI BUS interface. [See More]
- Operating Range: Commercial
- Number of Words: 32
- Density: 256
- Bits per Word: 8
from Datakey
For additional security, Datakey offers the Secure Memory line of tokens, featuring the Unique ID series and the CryptoMemory ® series. Secure Memory tokens are available with I2C interfaces and capacities from 1 Kb to 256 Kb. The tokens feature: Ultra-rugged Construction – SlimLine... [See More]
- Operating Range: Commercial; Industrial
- Supply Voltage: 2.7V; 3V; 3.3V; 3.6V; 5V; 2.7 to 5.5V
- Density: 1 to 256
- Operating Temperature: -40 to 85
from ROHM Semiconductor GmbH
BR24G128FVT-5 is a 128kbit serial EEPROM of I ²C BUS Interface. [See More]
- Operating Range: Commercial
- Number of Words: 16
- Density: 128
- Bits per Word: 8
from ROHM Semiconductor USA, LLC
BR25A512-3M is a 512Kbit Serial EEPROM of SPI BUS Interface. [See More]
- Operating Range: Commercial
- Number of Words: 64
- Density: 512
- Bits per Word: 8
from Datakey
For additional security, Datakey offers the Secure Memory line of tokens, featuring the Unique ID series and the CryptoMemory ® series. Secure Memory tokens are available with I2C interfaces and capacities from 1 Kb to 256 Kb. The tokens feature: Ultra-rugged Construction – SlimLine... [See More]
- Operating Range: Commercial; Industrial
- Supply Voltage: 2.7V; 3V; 3.3V; 3.6V; 5V; 2.7 to 5.5V
- Density: 1 to 256
- Operating Temperature: -40 to 85
from ROHM Semiconductor GmbH
BR24G128NUX-5 is a 128kbit serial EEPROM of I ²C BUS Interface. [See More]
- Operating Range: Commercial
- Number of Words: 16
- Density: 128
- Bits per Word: 8
from ROHM Semiconductor USA, LLC
This is the product guarantees long time support in Industrial market. BR25H128-2C is a serial EEPROM of SPI BUS interface method. [See More]
- Operating Range: Commercial
- Number of Words: 16
- Density: 128
- Bits per Word: 8
from Datakey
For additional security, Datakey offers the Secure Memory line of keys, featuring the Unique ID series and the CryptoMemory ® series. Secure Memory keys are available with I2C interfaces and capacities from 1 Kb to 256 Kb. The keys feature: Ultra-rugged Construction – Serial Memory keys... [See More]
- Operating Range: Commercial; Industrial
- Supply Voltage: 2.7V; 3V; 3.3V; 3.6V; 5V; 2.7 to 5.5V
- Density: 1 to 256
- Operating Temperature: -40 to 85
from ROHM Semiconductor GmbH
ROHM's high reliability serial EEPROMs command a large market share and are available in a range of capacities, bus interfaces (Microwire, I ²C, SPI), operating voltages (1.7V to 5.5V, 1.8V to 5.5V, 2.5V to 5.5V, 3.0V to 3.6V) and package types, making them ideal for battery powered devices. [See More]
- Operating Range: Commercial
- Number of Words: 16
- Density: 128
- Bits per Word: 8
from ROHM Semiconductor USA, LLC
BR25H640-2AC is a 64Kbit Serial EEPROM of SPI BUS interface method. [See More]
- Operating Range: Commercial
- Number of Words: 8
- Density: 64
- Bits per Word: 8
from Datakey
Leveraging industry-standard serial EEPROM memory, Datakey offers Bar tokens with SPI, I2C or Microwire interfaces and capacities from 1 Kb to 256 Kb. The tokens feature: Ultra-rugged Construction – Bar memory tokens are solid over-molded using a durable composite, making them impervious to... [See More]
- Operating Range: Commercial; Industrial
- Supply Voltage: 2.7V; 3V; 3.3V; 3.6V; 5V; 2.7 to 5.5V
- Density: 1 to 256
- Operating Temperature: -40 to 85
from ROHM Semiconductor GmbH
ROHM's high reliability serial EEPROMs command a large market share and are available in a range of capacities, bus interfaces (Microwire, I ²C, SPI), operating voltages (1.7V to 5.5V, 1.8V to 5.5V, 2.5V to 5.5V, 3.0V to 3.6V) and package types, making them ideal for battery powered devices. [See More]
- Operating Range: Commercial
- Number of Words: 16
- Density: 128
- Bits per Word: 8
from ROHM Semiconductor USA, LLC
ROHM recommends BR34E02FVT-3 for new design. [See More]
- Operating Range: Commercial
- Number of Words: 256
- Density: 2
- Bits per Word: 8
from Datakey
Leveraging industry-standard serial EEPROM memory, Datakey offers Plug memory tokens with SPI, I2C or Microwire interfaces and capacities from 1 Kb to 256 Kb. The tokens feature: Foldable Stainless Steel Bail – The plug token's stainless steel bail is used to lock the token in place. The bail... [See More]
- Operating Range: Commercial; Industrial
- Supply Voltage: 2.7V; 3V; 3.3V; 3.6V; 5V; 2.7 to 5.5V
- Density: 1 to 256
- Operating Temperature: -40 to 80
from ROHM Semiconductor GmbH
BR24T128-WZ is a serial EEPROM of I ²C BUS Interface Method. [See More]
- Operating Range: Commercial
- Number of Words: 16
- Density: 128
- Bits per Word: 8
from ROHM Semiconductor USA, LLC
A serial EEPROM(Electrically Erasable Programmable Read Only Memory) is non-volatile memory that can be overwritten electrically, in units of bytes, and is most suitable for data storage use. ROHM's high reliability serial EEPROMs are among the top of their class. They command a large market share... [See More]
- Operating Range: Commercial
- Number of Words: 256
- Density: 2
- Bits per Word: 8
from Datakey
Leveraging industry-standard serial EEPROM memory, Datakey offers Plug memory tokens with SPI, I2C or Microwire interfaces and capacities from 1 Kb to 256 Kb. The tokens feature: Foldable Stainless Steel Bail – The plug token's stainless steel bail is used to lock the token in place. The bail... [See More]
- Operating Range: Commercial; Industrial
- Supply Voltage: 2.7V; 3V; 3.3V; 3.6V; 5V; 2.7 to 5.5V
- Density: 1 to 4
- Operating Temperature: -40 to 85
from ROHM Semiconductor GmbH
New package type, which is WL-CSP, is lined up to the high-reliability EEPROMs. There are a variety of interface products available such as I ²C BUS and SPI BUS for the small application (i.e. wireless LAN, Blue tooth, and so on). [See More]
- Operating Range: Commercial
- Number of Words: 16
- Density: 128
- Bits per Word: 8
from ROHM Semiconductor USA, LLC
ROHM's serial EEPROM series are optimized for displays as well as Plug & Play memory modules. [See More]
- Operating Range: Commercial
- Number of Words: 128
- Density: 1
- Bits per Word: 8
from ROHM Semiconductor GmbH
New package type, which is WL-CSP, is lined up to the high-reliability EEPROMs. There are a variety of interface products available such as I ²C BUS and SPI BUS for the small application (i.e. wireless LAN, Blue tooth, and so on). [See More]
- Operating Range: Commercial
- Number of Words: 16
- Density: 128
- Bits per Word: 8
from ROHM Semiconductor USA, LLC
ROHM's serial EEPROM series are optimized for displays as well as Plug & Play memory modules. [See More]
- Operating Range: Commercial
- Number of Words: 128
- Density: 1
- Bits per Word: 8
from ROHM Semiconductor GmbH
BR24H16xxx-5AC Series is a 16Kbit serial EEPROM of I ²C BUS Interface. [See More]
- Operating Range: Commercial
- Number of Words: 2
- Density: 16
- Bits per Word: 8
from ROHM Semiconductor USA, LLC
ROHM's serial EEPROM series are optimized for displays as well as Plug & Play memory modules. [See More]
- Operating Range: Commercial
- Number of Words: 128
- Density: 2
- Bits per Word: 8
from ROHM Semiconductor GmbH
New package type, which is WL-CSP, is lined up to the high-reliability EEPROMs. There are a variety of interface products available such as I ²C BUS and SPI BUS for the small application (i.e. wireless LAN, Blue tooth, and so on). [See More]
- Operating Range: Commercial
- Number of Words: 2
- Density: 16
- Bits per Word: 8
from ROHM Semiconductor USA, LLC
BR24G64-3A is a serial EEPROM of I ²C BUS Interface Method. [See More]
- Operating Range: Commercial
- Number of Words: 8
- Density: 64
- Bits per Word: 8
from ROHM Semiconductor GmbH
BRCD016GWZ-3 is a 16kbit serial EEPROM of I ²C BUS Interface Method. [See More]
- Operating Range: Commercial
- Number of Words: 2
- Density: 16
- Bits per Word: 8
from ROHM Semiconductor USA, LLC
BR24G64FVJ-3A is a serial EEPROM of I ²C BUS Interface Method. [See More]
- Operating Range: Commercial
- Number of Words: 8
- Density: 64
- Bits per Word: 8
from ROHM Semiconductor GmbH
BRCF016GWZ-3 is a serial EEPROM of I ²C BUS Interface Method [See More]
- Operating Range: Commercial
- Number of Words: 2
- Density: 16
- Bits per Word: 8
from ROHM Semiconductor USA, LLC
BR24G64QUZ-3A is a serial EEPROM of I ²C BUS Interface Method. [See More]
- Operating Range: Commercial
- Number of Words: 8
- Density: 64
- Bits per Word: 8
from ROHM Semiconductor GmbH
BRCG016GWZ-3 is a serial EEPROM of I ²C BUS Interface Method [See More]
- Operating Range: Commercial
- Number of Words: 2
- Density: 16
- Bits per Word: 8
from ROHM Semiconductor USA, LLC
New package type, which is WL-CSP, is lined up to the high-reliability EEPROMs. There are a variety of interface products available such as I ²C BUS and SPI BUS for the small application (i.e. wireless LAN, Blue tooth, and so on). [See More]
- Operating Range: Commercial
- Number of Words: 2
- Density: 16
- Bits per Word: 8
from ROHM Semiconductor GmbH
New package type, which is WL-CSP, is lined up to the high-reliability EEPROMs. There are a variety of interface products available such as I ²C BUS and SPI BUS for the small application (i.e. wireless LAN, Blue tooth, and so on). [See More]
- Operating Range: Commercial
- Number of Words: 2
- Density: 16
- Bits per Word: 8
from ROHM Semiconductor USA, LLC
BRCH064GWZ-3 is a 64Kbit serial EEPROM of I2C BUS Interface Method [See More]
- Operating Range: Commercial
- Number of Words: 8
- Density: 64
- Bits per Word: 8
from ROHM Semiconductor GmbH
BRCB016GWL-3U is a serial EEPROM of I ²C BUS Interface Method. [See More]
- Operating Range: Commercial
- Number of Words: 2
- Density: 16
- Bits per Word: 8
from ROHM Semiconductor GmbH
New package type, which is WL-CSP, is lined up to the high-reliability EEPROMs. There are a variety of interface products available such as I ²C BUS and SPI BUS for the small application (i.e. wireless LAN, Blue tooth, and so on). [See More]
- Operating Range: Commercial
- Number of Words: 2
- Density: 16
- Bits per Word: 8
from ROHM Semiconductor GmbH
ROHM's serial EEPROM series are optimized for displays as well as Plug & Play memory modules. [See More]
- Operating Range: Commercial
- Number of Words: 128
- Density: 1
- Bits per Word: 8
from ROHM Semiconductor GmbH
ROHM's serial EEPROM series are optimized for displays as well as Plug & Play memory modules. [See More]
- Operating Range: Commercial
- Number of Words: 128
- Density: 1
- Bits per Word: 8
from ROHM Semiconductor GmbH
ROHM's serial EEPROM series are optimized for displays as well as Plug & Play memory modules. [See More]
- Operating Range: Commercial
- Number of Words: 256
- Density: 2
- Bits per Word: 8
from ROHM Semiconductor GmbH
BRCE064GWZ-3 is a 64kbit serial EEPROM of I ²C BUS Interface Method. [See More]
- Operating Range: Commercial
- Number of Words: 8
- Density: 64
- Bits per Word: 8
from ROHM Semiconductor GmbH
BRCH064GWZ-3 is a 64kbit serial EEPROM of I ²C BUS Interface Method [See More]
- Operating Range: Commercial
- Number of Words: 8
- Density: 64
- Bits per Word: 8
from ROHM Semiconductor GmbH
New package type, which is WL-CSP, is lined up to the high-reliability EEPROMs. There are a variety of interface products available such as I ²C BUS and SPI BUS for the small application (i.e. wireless LAN, Blue tooth, and so on). [See More]
- Operating Range: Commercial
- Number of Words: 1
- Density: 8
- Bits per Word: 8