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71421SA - HIGH SPEED 2K x 8 DUAL-PORT STATIC RAM

Description

The IDT71321/IDT71421 are high-speed 2K x 8 Dual-Port Static RAMs with internal interrupt logic for interprocessor communications.

Features

  • High-speed access.
  • Commercial: 20/35/55ns (max. ).
  • Industrial: 25/55ns (max. ).
  • Low-power operation.
  • IDT71321/IDT71421SA.
  • Active: 325mW (typ. ).
  • Standby: 5mW (typ. ).
  • IDT71321/421LA.
  • Active: 325mW (typ. ).
  • Standby: 1mW (typ. ).
  • Two INT flags for port-to-port communications.
  • MASTER IDT71321 easily expands data bus width to 16-ormore-bits using SLAVE IDT71421.
  • On-chip port arbitration logic (IDT71321 only).

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Datasheet Details

Part number 71421SA
Manufacturer IDT
File Size 285.87 KB
Description HIGH SPEED 2K x 8 DUAL-PORT STATIC RAM
Datasheet download datasheet 71421SA Datasheet

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Full PDF Text Transcription

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HIGH SPEED 2K X 8 DUAL-PORT STATIC RAM WITH INTERRUPTS 71321SA/LA 71421SA/LA Features ◆ High-speed access – Commercial: 20/35/55ns (max.) – Industrial: 25/55ns (max.) ◆ Low-power operation – IDT71321/IDT71421SA — Active: 325mW (typ.) — Standby: 5mW (typ.) – IDT71321/421LA — Active: 325mW (typ.) — Standby: 1mW (typ.
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