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DESCRIPTION

The CAT28F002 is a high speed 256K X 8-bit electrically erasable and reprogrammable Flash memory ideally suited for applications requiring in-system or after sale code updates.

FEATURES

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

■ On-Chip Address and Data Latches

■ Blocked Architecture:

— One 16-KB Protected Boot Block

? Top or Bottom Locations

— Two 8-KB Parameter Blocks

— One 96-KB Main Block

— One 128-KB Main Block

■ Hardware Data Protection

■ Automated Program and Erase Algorithms

■ Automatic Power Savings Feature

■ Low Power CMOS Operation

■ 12.0V ± 5 Programming and Erase Voltage

■ Electronic Signature

■ 100,000 Program/Erase Cycles and 10 Year Data Retention

■ Standard Pinouts:

— 40-Lead TSOP

— 40-Lead PDIP

■ High Speed Programming

■ Commercial, Industrial and Automotive Temperature Ranges

■ Reset/Deep PowerDown Mode

— 0.2?A ICC Typical

— Acts as Reset for Boot Operations