5V, Byte Alterable E2PROM
DESCRIPTION
The X28HC256 is a second generation high performance CMOS 32K x 8 E2PROM. It is fabricated with ’s proprietary, textured poly floating gate technology, providing a highly reliable 5 Volt only nonvolatile memory.
FEATURES
• Access Time: 70ns
• 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: 60mA
—Standby: 500µA
• 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