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DESCRIPTION

The X28VC256 is a second generation high performance CMOS 32K x 8 E2PROM. It is fabricated with Xicor’s proprietary, textured poly floating gate technology, providing a highly reliable 5 Volt only nonvolatile memory.

FEATURES

? Access Time: 45ns

? Simple Byte and Page Write

—Single 5V Supply

—No External High Voltages or VPP Control Circuits

—Self-Timed

—No Erase Before Write

—No Complex Programming Algorithms

—No Overerase Problem

? Low Power CMOS:

—Active: 80mA

—Standby: 10mA

? Software Data Protection

—Protects Data Against System Level Inadvertent Writes

? High Speed Page Write Capability

? Highly Reliable Direct Write? Cell

—Endurance: 100,000 Write Cycles

—Data Retention: 100 Years

? Early End of Write Detection

—DATA Polling

—Toggle Bit Polling