AT24CSW0202Kb I2C compatible 2-wire Serial EEPROM with Software Write Protection and a Pre-programmed Serial Number | Integrated Circuits (ICs) | 1 | Active | The Microchip AT24CSW020 is a 2 Kb Serial EEPROM utilizing an I2C (2-wire) serial interface. The device is organized as one block of 256 x 8 and is optimized for use in consumer applications where reliable and dependable nonvolatile memory storage is essential. The device features Software Write Protection, which can be used to write protect 1/4, 1/2, or the entire memory array and also provides the user the capability to make the write protection permanent. Additionally, the AT24CSW020 includes a 256-bit security register separate from the main array. The first half of the security register contains a 128-bit factory-programmed unique serial number while the remaining half is a user programmable and permanently lockable space. The 128-bit serial number is guaranteed unique across the entire CS series of Serial EEPROM products and eliminates the time consuming step of performing and ensuring serialization of a product on a manufacturing line. |
| Memory | 2 | Active | The Microchip AT24CSW080 is an 8 Kb Serial EEPROM utilizing an I2C (2-wire) serial interface. The device is organized as one block of 1,024 x 8 and is optimized for use in consumer applications where reliable and dependable nonvolatile memory storage is essential. The device features Software Write Protection, which can be used to write protect 1/4, 1/2, or the entire memory array and also provides the user the capability to make the write protection permanent. Additionally, the AT24CSW080 includes a 256-bit security register separate from the main array. The first half of the security register contains a 128-bit factory-programmed unique serial number while the remaining half is a user programmable and permanently lockable space. The 128-bit serial number is guaranteed unique across the entire CS series of Serial EEPROM products and eliminates the time consuming step of performing and ensuring serialization of a product on a manufacturing line. |
AT24HC02C2Kb I2C compatible 2-wire Serial EEPROM with Half-array Write Protection | Integrated Circuits (ICs) | 4 | Active | The Microchip AT24HC02C is a 2 Kb Serial EEPROM utilizing an I2C (2-wire) serial interface. The device is organized as one block of 256 x 8 and is optimized for use in consumer and industrial applications where reliable and dependable nonvolatile memory storage is essential. The EEPROM is available in a variety of space-saving packaging options and operates from 1.7V to 5.5V.
The AT24HC02C features half-array write protection. For full array write protection, see the [AT24C02C](https://www.microchip.com/en-us/product/at24c02c). |
AT24HC04B4Kb I2C compatible 2-wire Serial EEPROM with Half-array Write Protection | Memory | 4 | Active | The Microchip AT24HC04B is a 4 Kb Serial EEPROM utilizing an I2C (2-wire) serial interface. The device is organized as one block of 512 x 8 and is optimized for use in consumer, and industrial applications where reliable and dependable nonvolatile memory storage is essential. The EEPROM is available in a variety of space-saving packaging options and operates from 1.8V to 5.5V.
The AT24HC04B utilizes half-array hardware write protection. |
AT24MAC4022Kb I2C compatible 2-wire Serial EEPROM with Pre-programmed EUI-48™ MAC Address | Memory | 6 | Active | The Microchip AT24MAC402 2Kb Serial EEPROM device is an application-specific product that contains a unique IEEE-provided 48-bit pre-programmed MAC/EUI address to enable a connected device to connect to the Internet or local network. The device also contains a unique read-only 128-bit serial number and 2Kb of user-accessible serial EEPROM non-volatile memory (NVM) storage. |
AT24MAC6022Kb I2C compatible 2-wire Serial EEPROM with Pre-programmed EUI-64™ MAC Address | Integrated Circuits (ICs) | 4 | Active | The Microchip AT24MAC602 2Kb Serial EEPROM device is an application-specific product that contains a unique IEEE-provded 64-bit pre-programmed MAC/EUI address to enable a connected device to connect to the Internet or local network. The device also contains a unique read-only 128-bit serial number and 2Kb of user-accessible serial EEPROM NVM storage. |
| Memory | 1 | Obsolete | |
| Integrated Circuits (ICs) | 29 | Active | The Microchip AT25010B is a 1 Kb Serial EEPROM utilizing the
industry standard Serial Peripheral Interface (SPI) compatible serial bus. The
device is organized as one block of 128 x 8-bit and is optimized for use in consumer electronics, industrial, medical,
and automotive applications where reliable and dependable nonvolatile memory
storage is essential. Software write protection allows the user to protect ¼,
½, or the entire memory array. A hardware write protect pin is also provided,
which additionally protects against inadvertent writes to the status register. The EEPROM is available in a variety of space-saving
packaging options. |
| Memory | 19 | Active | The Microchip AT25020B is a 2 Kb Serial EEPROM utilizing the
industry standard Serial Peripheral Interface (SPI) compatible serial bus. The
device is organized as one block of 256 x 8-bit and is optimized for use in consumer electronics, industrial, medical,
and automotive applications where reliable and dependable nonvolatile memory
storage is essential. Software write protection allows the user to protect ¼,
½, or the entire memory array. A hardware write protect pin is also provided,
which additionally protects against inadvertent writes to the status register. The EEPROM is available in a variety of space-saving
packaging options. |
| Integrated Circuits (ICs) | 29 | Active | The Microchip AT25040B is a 4 Kb Serial EEPROM utilizing the
industry standard Serial Peripheral Interface (SPI) compatible serial bus. The
device is organized as one block of 512 x 8-bit and is optimized for use in consumer electronics, industrial, medical,
and automotive applications where reliable and dependable nonvolatile memory
storage is essential. Software write protection allows the user to protect ¼,
½, or the entire memory array. A hardware write protect pin is also provided,
which additionally protects against inadvertent writes to the status register. The EEPROM is available in a variety of space-saving
packaging options. |
