Datasheet > 7054S35PRFGI

7054S35PRFGI

更新时间： 2022-02-26 11:30:10

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
11页	750K
描述
HIGH-SPEED 4K x 8 FourPort STATIC RAM

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数据手册

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7054S35PRFGI 数据手册

IDT7054S/L

HIGH-SPEED

4K x 8 FourPort^TM

STATIC RAM

◆

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

for selected speeds

Features

◆

High-speed access

◆

Green parts available, see ordering information

– Commercial:20/25/35ns(max.)

– Industrial:25ns(max.)

◆

Description

Low-poweroperation

– IDT7054S

TheIDT7054isahigh-speed4Kx8FourPort™StaticRAMdesigned

to be used in systems where multiple access into a common RAM is

required.ThisFourPortStaticRAMoffersincreasedsystemperformance

inmultiprocessorsystemsthathaveaneedtocommunicateinrealtimeand

alsooffersaddedbenefitforhigh-speedsystemsinwhichmultipleaccess

is required in the same cycle.

Active:750mW(typ.)

Standby: 7.5mW (typ.)

– IDT7054L

Active:750mW(typ.)

Standby: 1.5mW (typ.)

◆

True FourPort memory cells which allow simultaneous

TheIDT7054isalsodesignedtobeusedinsystemswhereon-chip

hardware port arbitration is not needed. This part lends itself to those

systemswhichcannottoleratewaitstatesoraredesignedtobeableto

externally arbitrated or withstand contention when all ports simulta-

neouslyaccessthesameFourPortRAMlocation.

access of the same memory locations

◆

Fully asynchronous operation from each of the four ports:

P1, P2, P3, and P4

◆

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

◆

Available in 128 pin Thin Quad Flatpack package

TheIDT7054providesfourindependentportswithseparatecontrol,

FunctionalBlockDiagram

R/WP1

CEP1

R/WP4

CEP4

OEP1

OEP4

COLUMN

I/O

COLUMN

I/O

I/O0P1-I/O7P1

I/O0P4-I/O7P4

PORT 1

PORT 4

ADDRESS

DECODE

LOGIC

ADDRESS

DECODE

LOGIC

0P1 - A11P1

0P2 - A11P2

0P4 - A11P4

MEMORY

ARRAY

PORT 2

ADDRESS

DECODE

LOGIC

PORT 3

ADDRESS

DECODE

LOGIC

A0P3 - A11P3

COLUMN

I/O

COLUMN

I/O

I/O0P2-I/O7P2

I/O0P3-I/O7P3

OEP3

OEP2

CEP2

CEP3

R/WP3

R/WP2

3241 drw 01

FEBRUARY 2015

DSC 3241/13

12 3 4 5 6 7...11

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