IDT70V659S15DR Просмотр технического описания (PDF) - Integrated Device Technology

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IDT70V659S15DR

HIGH-SPEED 3.3V 128/64/32K x 36 ASYNCHRONOUS DUAL-PORT STATIC RAM

Integrated Device Technology 

IDT70V659/58/57S

High-Speed 3.3V 128/64/32K x 36 Asynchronous Dual-Port Static RAM

Industrial and Commercial Temperature Ranges

Description

The IDT70V659/58/57 is a high-speed 128/64/32K x 36 Asynchro-

nous Dual-Port Static RAM. The IDT70V659/58/57 is designed to be used

as a stand-alone 4/2/1Mbit Dual-Port RAM or as a combination MASTER/

SLAVE Dual-Port RAM for 72-bit-or-more word system. Using the IDT

MASTER/SLAVE Dual-Port RAM approach in 72-bit or wider memory

system applications results in full-speed, error-free operation without the

need for additional discrete logic.

This device provides two independent ports with separate control,

address, and I/O pins that permit independent, asynchronous access for

reads or writes to any location in memory. An automatic power down

feature controlled by the chip enables (either CE0 or CE1) permit the

on-chip circuitry of each port to enter a very low standby power mode.

The 70V659/58/57 can support an operating voltage of either 3.3V

or 2.5V on one or both ports, controlled by the OPT pins. The power supply

for the core of the device (VDD) remains at 3.3V.

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