EEPROM Memory | CAT28LV256

256 kb Parallel EEPROM Memory

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Overview

The CAT28LV256 is a fast, low power, low voltage CMOS Parallel EEPROM organized as 32k 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 CAT28LV256 features hardware and software write protection.
The CAT28LV256 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 28-pin DIP, 28-pin TSOP or 32-pin PLCC packages.

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

  • 3.0 V to 3.6 V Supply
  • Read Access Times: 200/250/300 ns
  • Low Power CMOS Dissipation:
    – Active: 15 mA Max.
    – Standby: 150 μA Max.
  • Simple Write Operation:
    – On-Chip Address and Data Latches
    – Self-Timed Write Cycle with Auto-Clear
  • Fast Write Cycle Time:
    10 ms Max.
  • Commercial, Industrial and Automotive Temperature Ranges
  • CMOS and TTL Compatible I/O
  • Automatic Page Write Operation:
    – 1 to 64 Bytes in 10ms
    – 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

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