Part HM62256B
Description 256k SRAM (32-kword x 8-bit)
Manufacturer Hitachi Semiconductor
Size 154.48 KB
Hitachi Semiconductor
HM62256B

Overview

  • Single 5.0 V supply: 5.0 V ± 10%
  • Access time: 55 ns/70 ns/85 ns (max)
  • Power dissipation:  Active: 25 mW (typ) (f = 1 MHz)  Standby: 1.0 µW (typ)
  • Completely static memory  No clock or timing strobe required
  • Equal access and cycle times
  • Common data input and output  Three state output
  • Directly TTL compatible all inputs and outputs
  • Battery backup operation