EEPROM Memory | CAT28C65B

64 kb CMOS Parallel EEPROM Memory

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Overview

The CAT28C65B is a fast, low power, 5.0 V-only CMOS parallel EEPROM organized as 8k 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, a RDY/BUSY pin and Toggle status bits signal the start and end of the self-timed write cycle. Additionally, the CAT28C65B features hardware and software write protection.
The CAT28C65B 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 JEDECapproved 28-pin DIP, 28-pin TSOP, 28-pin SOIC or 32-pin PLCC packages.

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

  • Fast read access times:
    – 90/120/150ns
  • Low power CMOS dissipation:
    – Active: 25 mA max.
    – Standby: 100 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
  • Hardware and software write protection
  • Commercial, industrial and automotive temperature ranges
  • Automatic page write operation:
    – 1 to 32 bytes in 5ms
    – Page load timer
  • End of write detection:
    – Toggle bit
    – DATA polling
    – RDY/BUSY
  • 100,000 program/erase cycles
  • 100 year data retention

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