Description

81C55 2k RAM with I/O and Timer.

Features:

  • High Speed CMOS RAM
  • 256 bytes RAM
  • Completely Static Operation
  • On-Chip Address Latch
  • 8-bit Programmable I/O Ports
  • TTL Compatible
  • 14-bit Programmable Binary Counter/Timer
  • Multiplexed Address/Data Bus
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