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71421SA Datasheet PDF


Part Number 71421SA
Manufacturer Renesas
Title 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. The IDT71321 is...
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 e...

File Size 471.49KB
Datasheet 71421SA PDF File








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71421SA : The IDT71321/IDT71421 are high-speed 2K x 8 Dual-Port Static RAMs with internal interrupt logic for interprocessor communications. The IDT71321 is designed to be used as a stand-alone 8-bit DualPort Static RAM or as a "MASTER" Dual-Port Static RAM together with the IDT71421 "SLAVE" Dual-Port in 16-bit-or-more word width systems. Using the IDT MASTER/SLAVE Dual-Port Static RAM approach in 16-or-more-bit memory system applications results in full speed, error-free operation without the need for additional discrete logic. Both devices provide two independent ports with separate control, Industrial and Commercial Temperature Ranges address, and I/O pins that permit independent, asynchronous acc.




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