• Part: IDT71257L
  • Description: CMOS STATIC RAM 256K
  • Manufacturer: IDT
  • Size: 83.78 KB
IDT71257L Datasheet (PDF) Download
IDT
IDT71257L

Overview

The IDT71257, a 262, 144-bit high-speed static RAM organized as 256K x 1, is fabricated using IDT's high-performance, highreliability technology - CEMOS. This state-of-the-art technology, combined with innovative circuit design techniques, provides a cost effective approach for memory intensive applications.

  • High-speed (equal access and cycle times) -Military - 45/55/70/85ns max. -Commercial - 35/45/55/70ns max.
  • Low-power operation -IDT 71257S Active: 400mW (typ.) Standby: 400l'W (typ.) -IDT 71257L Active: 350mW (typ.) Standby: 100l'W (typ.)
  • Battery backup operation - 2V data retention (L version only)
  • High-density industry standard 24-pin, 300 mil DIP
  • Produced with advanced CEMOS" technology
  • Separate data input and output
  • Single 5V (±10%) power supply
  • Inputs/outputs TTL-compatible
  • Three state outputs
  • Static operation - no clocks or refresh required