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DESCRIPTION

The CAT28F001 is a high speed 128K X 8 bit electrically erasable and reprogrammable Flash memory ideally suited for applications requiring in-system or after sale code updates.

The CAT28F001 has a blocked architecture with one 8 KB Boot Block, two 4 KB Parameter Blocks and one 112 KB Main Block. The Boot Block section can be at the top or bottom of the memory map and includes a reprogramming write lock out feature to guarantee data integrity. It is designed to contain secure code which will bring up the system minimally and download code to other locations of CAT28F001.

FEATURES

■Fast Read Access Time: 70/90/120/150 ns

■On-Chip Address and Data Latches

■Blocked Architecture

— One 8 KB Boot Block w/ Lock Out

? Top or Bottom Locations

— Two 4 KB Parameter Blocks

— One 112 KB Main Block

■Low Power CMOS Operation

■12.0V ±5 Programming and Erase Voltage

■Automated Program & Erase Algorithms

■High Speed Programming

■Commercial, Industrial and Automotive Temperature Ranges