25AA256 Datasheet 256k Spi Bus Serial Eeprom

Manufacturer: Microchip Technology

Overview: 25AA256/25LC256 256K SPI Bus Serial EEPROM Device Selection Table Part Number 25LC256 25AA256 VCC Range 2.5-5.5V 1.8-5.

Datasheet Details

: The Microchip Technology Inc.

25AA256/25LC256 (25XX256*) are 256 Kbit Serial Electrically Erasable PROMs.

The memory is accessed via a simple Serial Peripheral Interface (SPI) patible serial bus.

Max. Clock 10 MHz.
Low-Power CMOS Technology: - Max. Write Current: 5 mA at 5.5V, 10 MHz - Read Current: 6 mA at 5.5V, 10 MHz - Standby Current: 1 A at 5.5V.
32,768 x 8-bit Organization.
64-Byte Page.
Self-Timed Erase and Write Cycles (5 ms max. ).
Block Write Protection: - Protect none, 1/4, 1/2 or all of array.
Built-In Write Protection: - Power-on/off data protection circuitry - Write enable latch - Write-protect pi.