IDT70T3519S133BFI datasheet(2/28 Pages) IDT

Part #	IDT70T3519S133BFI

Description	HIGH-SPEED 2.5V 256/128/64K x 36 SYNCHRONOUS DUAL-PORT STATIC RAM WITH 3.3V OR 2.5V INTERFACE

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Manufacturer	IDT [Integrated Device Technology]

Direct Link	http://www.idt.com

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IDT70T3519/99/89S

High-Speed 2.5V 256/128/64K x 36 Dual-Port Synchronous Static RAM

Industrial and Commercial Temperature Ranges

2

Description:

The IDT70T3519/99/89 is a high-speed 256/128/64K x 36 bit

synchronous Dual-Port RAM. The memory array utilizes Dual-Port

memorycellstoallowsimultaneousaccessofanyaddressfrombothports.

Registersoncontrol,data,andaddressinputsprovideminimalsetupand

holdtimes.Thetiminglatitudeprovidedbythisapproachallowssystems

tobedesignedwithveryshortcycletimes.Withaninputdataregister,the

IDT70T3519/99/89hasbeenoptimizedforapplicationshavingunidirec-

tionalorbidirectionaldataflowinbursts.Anautomaticpowerdownfeature,

controlled by CE0 and CE1, permits the on-chip circuitry of each port to

enter a very low standby power mode.

The70T3519/99/89 cansupportanoperatingvoltageofeither3.3V

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

supply for the core of the device (VDD) is at 2.5V.

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