The Microchip 25LC512 is a 512Kb Serial EEPROM utilizing the industry standard Serial Peripheral Interface (SPI) compatible serial bus.

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 (5 ms max.)
Low Power Consumption
Read current: 10 mA (Max) at 20 MHz
Write current: 5 mA (Max) at 20 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
Extended (E): -40°C to +125°C Extended (M): -55°C to +125°C

Factory Programming Available
Available in standard packages including 8-lead PDIP, SOIC and SOIJ, and advanced package 8-lead 5x6 DFN