Description
AT25010B, AT25020B, AT25040B SPI Serial EEPROM 1K (128x8), 2K (256x8), 4K (512x8) DATASHEET .
The Atmel® AT25010B/020B/040B provides 1,024/2,048/4,096 bits of Serial Electrically Erasable Programmable Read-Only Memory (EEPROM) organized as 128/.
Features
* Serial Peripheral Interface (SPI) Compatible
* Supports SPI Modes 0 (0,0) and 3 (1,1)
̶ Data Sheet Describes Mode 0 Operation
* Low-voltage and Standard-voltage Operation
̶ VCC = 1.8V to 5.5V
* 20MHz Clock Rate (5V)
* 8-byte Page Mode
* Block Write Protection
̶ Protect 1/4,