Datasheet > 7134LA35L48BG

7134LA35L48BG

更新时间： 2023-02-15 00:00:00

品牌	Logo	应用领域
艾迪悌 - IDT		静态存储器
页数	文件大小	规格书
11页	148K
描述
Dual-Port SRAM, 4KX8, 35ns, CQCC48, LCC-48

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7134LA35L48BG 数据手册

HIGH-SPEED

IDT7134SA/LA

4K x 8 DUAL-PORT

STATIC SRAM

Description

Features

◆

The IDT7134 is a high-speed 4K x 8 Dual-Port Static RAM

designedtobeusedinsystemswhereon-chiphardwareportarbitration

is not needed. This part lends itself to those systems which cannot

tolerate wait states or are designed to be able to externally arbitrate or

withstand contention when both sides simultaneously access the

same Dual-Port RAM location.

High-speed access

Military: 25/35/45/55/70ns (max.)

Industrial: 55ns (max.)

Commercial: 20/25/35/45/55/70ns (max.)

Low-power operation

◆

IDT7134SA

TheIDT7134providestwoindependentportswithseparatecontrol,

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

forreadsorwritestoanylocationinmemory.Itistheusersresponsibility

to ensure data integrity when simultaneously accessing the same

memory location from both ports. An automatic power down feature,

controlled by CE, permits the on-chip circuitry of each port to enter a

very low standby power mode.

FabricatedusingIDTsCMOShigh-performancetechnology,these

Dual-Port typically operate on only 700mW of power. Low-power (LA)

versions offer battery backup data retention capability, with each port

typically consuming 200µW from a 2V battery.

Active: 700mW (typ.)

Standby: 5mW (typ.)

IDT7134LA

Active: 700mW (typ.)

Standby: 1mW (typ.)

Fully asynchronous operation from either port

Battery backup operation2V data retention

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

Available in 48-pin DIP, LCC, Flatpack and 52-pin PLCC

Military product compliant to MIL-PRF-38535 QML

◆

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

The IDT7134 is packaged on either a sidebraze or plastic 48-pin

DIP, 48-pin LCC, 52-pin PLCC and 48-pin Flatpack. Military grade

product is manufactured in compliance with the latest revision of MIL-

PRF-38535 QML, making it ideally suited to military temperature

applicationsdemandingthehighestlevelofperformanceandreliability.

selected speeds

Functional Block Diagram

R/WL

CEL

R/WR

CER

OER

COLUMN

I/O0L- I/O7L

I/O0R- I/O7R

I/O

LEFT SIDE

RIGHT SIDE

ADDRESS

DECODE

LOGIC

ADDRESS

DECODE

LOGIC

MEMORY

ARRAY

A0L- A11L

A0R- A11R

2720 drw 01

JUNE 1999

DSC-2720/9

12 3 4 5 6 7...11

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