EEPROM Memory | CAT28C512

512 kb CMOS Parallel EEPROM Memory

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Overview

The CAT28C512 is a fast,low power, 5.0 V-only CMOS parallel EEPROM organized as 64k x 8-bits. It requires a simple interface for in-system programming. On-chip address and data latches, self-timed write cycle with auto-clear and VCC power up/down write protection eliminate additional timing and protection hardware. DATA Polling and Toggle status bits signal the start and end of the self-timed write cycle. Additionally, the CAT28C512 features hardware and software write protection.
The CAT28C512 is manufactured using onsemi's advanced CMOS floating gate technology. It is designed to endure 100,000 program/erase cycles and has a data retention of 100 years. The device is available in JEDEC approved 32-pin DIP, PLCC and TSOP packages.

  • Automotive Systems
  • Communications Systems
  • Computer Systems
  • Consumer Systems
  • Industrial Systems

  • Fast Read Access Times: 120/150 ns
  • Low Power CMOS Dissipation:
    –Active: 50 mA Max.
    –Standby: 200 μA Max.
  • Simple Write Operation:
    –On-Chip Address and Data Latches
    –Self-Timed Write Cycle with Auto-Clear
  • Fast Write Cycle Time:
    –5ms Max
  • CMOS and TTL Compatible I/O
  • Automatic Page Write Operation:
    –1 to 128 Bytes in 5ms
    –Page Load Timer
  • End of Write Detection:
    –Toggle Bit
    –DATA Polling
  • Hardware and Software Write Protection
  • 100,000 Program/Erase Cycles
  • 100 Year Data Retention
  • Commercial, Industrial and Automotive Temperature Ranges

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