Datasheet > 71342

71342

更新时间： 2023-12-20 18:46:34

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
16页	399K
描述
4K x 8 Dual-Port RAM w/Semaphore

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数据手册

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71342 数据手册

HIGH SPEED

71342SA/LA

4K X 8 DUAL-PORT

STATIC RAM

WITH SEMAPHORE

Features

◆

High-speed access

◆

Full on-chip hardware support of semaphore signalling be-

tween ports

Battery backup operation—2V data retention (LA only)

TTL-compatible; single 5V (±10%) power supply

Available in plastic packages

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

for selected speeds

– Commercial:20ns(max.)

– Industrial: 25ns (max.)

Low-power operation

◆

– IDT71342LA

Active: 700mW (typ.)

Standby: 1mW (typ.)

Fully asynchronous operation from either port

◆

FunctionalBlockDiagram

R/WR

R/W

CER

CEL

OER

OEL

I/O

CONTROL

I/O

CONTROL

I/O0R - I/O7R

I/O0L- I/O7L

MEMORY

ARRAY

SEMAPHORE

LOGIC

SEMR

SEM

ADDRESS

DECODER

ADDRESS

DECODER

A0R- A11R

A0L- A11L

2721 drw 01

JULY 2019

DSC 2621/16

12 3 4 5 6 7...16

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