Datasheet Details
| Part number | AT25256A |
|---|---|
| Manufacturer | Atmel (now Microchip Technology) |
| File Size | 493.78 KB |
| Description | SPI Serial EEPROMs |
| Datasheet |
 AT25256A Datasheet
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General Description
The AT25128A/256A provides 131,072/262,144 bits of serial electrically-erasable programmable read only memory (EEPROM) organized as 16,384/32,768 words of 8 bits each.
Key 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.
- 2.7 (VCC = 2.7V to 5.5V).
- 1.8 (VCC = 1.8V to 5.5V).
- 20 MHz Clock Rate (5V).
- 64-byte Page Mode and Byte Write Operation.
- Block Write Protection.
- Protect 1/4, 1/2, or Entire Array.
- Write Protect (WP) Pin and Write Disable Instruction.