DESCRIPTION

The CAT28F020 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. Electrical erasure of the full memory contents is achieved typically within 0.5 second.

FEATURES

■ Fast Read Access Time: 70/90/120 ns

■ Low Power CMOS Dissipation:

– Active: 30 mA max (CMOS/TTL levels)

– Standby: 1 mA max (TTL levels)

– Standby: 100 μA max (CMOS levels)

■ High Speed Programming:

– 10 μs per byte

– 4 Seconds Typical Chip Program

■ 0.5 Seconds Typical Chip-Erase

■ 12.0V ± 5 Programming and Erase Voltage

■ Commercial, Industrial and Automotive Temperature Ranges

■ Stop Timer for Program/Erase

■ On-Chip Address and Data Latches

■ JEDEC Standard Pinouts:

– 32-pin DIP

– 32-pin PLCC

– 32-pin TSOP (8 x 20)

■ 100,000 Program/Erase Cycles

■ 10 Year Data Retention

■ Electronic Signature