The Microchip 25AA512 is a 512 Kb Serial EEPROM utilizing the industry standard Serial Peripheral Interface (SPI) compatible serial bus. The device is organized as one block of 64K 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.
For product comparison, please consider: AT25512, 25LC512
Additional Features
64K x 8-bit (512 Kbit)
Serial Peripheral Interface (SPI) Compatible
Supports SPI modes 0 and 3
Up to 20 MHz clock frequency
Self-Timed Erase and Write Cycles (6 ms max.)
Low Power Consumption
Read current: 10 mA (Max) at 20 MHz
Write current: 5 mA (Max) at 10 MHz
Standby current: 10 μA (Max) at 5.5 V
Deep power-down current: 1 μA (Max) at 2.5 V
Block Write Protection: Protect 1/4, 1/2 or Entire Array
More than 1 million erase/write cycles
Data retention > 200 years
Temperature Ranges Available
Industrial (I): -40°C to +85°C
Automotive AECQ-100 Qualified1
Factory Programming Available
Available in standard packages including 8-lead PDIP, SOIC and SOIJ and advanced package 8-lead 5x6 DFN 1Contact Microchip for automotive grade products
The Microchip 25AA512 is a 512 Kb Serial EEPROM utilizing the industry standard Serial Peripheral Interface (SPI) compatible serial bus. The device is organized as one block of 64K 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.
For product comparison, please consider: AT25512, 25LC512
Additional Features
- 64K x 8-bit (512 Kbit)
- Serial Peripheral Interface (SPI) Compatible
- Supports SPI modes 0 and 3
- Up to 20 MHz clock frequency
- Self-Timed Erase and Write Cycles (6 ms max.)
- Low Power Consumption
- Read current: 10 mA (Max) at 20 MHz
- Write current: 5 mA (Max) at 10 MHz
- Standby current: 10 μA (Max) at 5.5 V
- Deep power-down current: 1 μA (Max) at 2.5 V
- Block Write Protection: Protect 1/4, 1/2 or Entire Array
- More than 1 million erase/write cycles
- Data retention > 200 years
- Temperature Ranges Available
- Industrial (I): -40°C to +85°C
- Automotive AECQ-100 Qualified1
- Factory Programming Available
- Available in standard packages including 8-lead PDIP, SOIC and SOIJ and advanced package 8-lead 5x6 DFN
1Contact Microchip for automotive grade products
