AT25256B, AT25128B - SPI Serial EEPROM

ATMEL Corporation

The AT25256B by ATMEL Corporation is a SPI Serial EEPROM. Below is the official datasheet preview.

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AT25256B SPI Serial EEPROM by ATMEL Corporation - Datasheet Preview — Official preview page of the **AT25256B** SPI Serial EEPROM datasheet (ATMEL Corporation).

Datasheet Details

Part number	AT25256B, AT25128B
Manufacturer	ATMEL Corporation
File Size	437.07 KB
Description	SPI Serial EEPROM
Datasheet	AT25128B-ATMELCorporation.pdf
Note	This datasheet PDF includes multiple part numbers: AT25256B, AT25128B. Please refer to the document for exact specifications by model.
Additional preview pages of the AT25256B datasheet.

AT25256B Product details

Description

The Atmel® AT25128B/256B 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.

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).
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 Instructions for Both Hardware and Software Data Protection.
Self-timed Write Cycle (5ms max).

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Published: Jun 19, 2015 |