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
    — 0.2µA ICC Typical
    — Acts as Reset for Boot Operations