AT25256B, AT25128B Datasheet - Microchip

AT25256B SPI Serial EEPROM

5 2.1. Chip Select (CS)5 2.2. Serial Data Output (SO) 5 2.3. Write-Protect (WP) 5 2.4. Ground (GND) 5 2.5. Serial Data Input (SI)6 2.6. Serial Data Clock (SCK)6 2.7. Suspend Serial Input (HOLD)6 2.8. Device Power Supply (VCC) 6 3. Description7 3.1. SPI Bus Master Connections to Serial EEPROMs7 3.2. .

AT25256B Features

* Serial Peripheral Interface (SPI) Compatible

* Supports SPI Modes 0 (0,0) and 3 (1,1):

* Data sheet describes mode 0 operation

* Low-Voltage Operation:

* 1.8V (VCC = 1.8V to 5.5V)

* Industrial Temperature Range: -40°C to +85°C

* 20 MHz Clock

AT25128B-Microchip.pdf