描述 Description

The IDT70V05 is a high-speed 8K x 8 Dual-Port Static RAM. The IDT70V05 is designed to be used as a stand-alone 64K-bit Dual-Port SRAM or as a combination MASTER/SLAVE Dual-Port SRAM for 16-bitor-more word systems.

特性 Features

◆ True Dual-Ported memory cells which allow simultaneous

reads of the same memory location

◆ High-speed access

– Commercial: 15/20/25/35/55ns (max.)

– Industrial: 20ns (max.)

◆ Low-power operation

– IDT70V05S

Active: 400mW (typ.)

Standby: 3.3mW (typ.)

– IDT70V05L

Active: 380mW (typ.)

Standby: 660μW (typ.)

◆ IDT70V05 easily expands data bus width to 16 bits or more

using the Master/Slave select when cascading more than

one device

◆ M/S = VIH for BUSY output flag on Master

M/S = VIL for BUSY input on Slave

◆ Interrupt Flag

◆ On-chip port arbitration logic

◆ Full on-chip hardware support of semaphore signaling

between ports

◆ Fully asynchronous operation from either port

◆ TTL-compatible, single 3.3V (±0.3V) power supply

◆ Available in 68-pin PGA and PLCC, and a 64-pin TQFP

◆ Industrial temperature range (-40°C to +85°C) is available

for selected speeds

◆ Green parts available, see ordering information