7054L35PRFGI datasheet(1/11 Pages) IDT

Part #	7054L35PRFGI

Description	HIGH-SPEED 4K x 8 FourPort STATIC RAM

PDF	11 Pages

Scroll/Zoom	100%

Manufacturer	IDT [Integrated Device Technology]

Direct Link	http://www.idt.com

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1

FEBRUARY 2015

DSC 3241/13

IDT7054S/L

Features

◆

◆ High-speed access

– Commercial: 20/25/35ns (max.)

– Industrial:25ns(max.)

◆

◆ Low-power operation

– IDT7054S

Active: 750mW (typ.)

Standby: 7.5mW (typ.)

– IDT7054L

Active: 750mW (typ.)

Standby: 1.5mW (typ.)

◆

◆ True FourPort memory cells which allow simultaneous

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

◆

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

for selected speeds

◆

◆ Green parts available, see ordering information

Description

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.

The IDT7054 is also designed to be used in systems where on-chip

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

systems which cannot tolerate wait states or are designed to be able to

externally arbitrated or withstand contention when all ports simulta-

neously access the same FourPort RAM location.

TheIDT7054providesfourindependentportswithseparatecontrol,

Functional Block Diagram

HIGH-SPEED

4K x 8 FourPortTM

STATIC RAM

MEMORY

ARRAY

COLUMN

I/O

PORT 1

ADDRESS

DECODE

LOGIC

PORT 2

ADDRESS

DECODE

LOGIC

COLUMN

I/O

COLUMN

I/O

PORT 4

ADDRESS

DECODE

LOGIC

PORT 3

ADDRESS

DECODE

LOGIC

COLUMN

I/O

R/WP1

I/O0P1-I/O7P1

CEP1

OEP1

A0P1 -A11P1

R/WP2

CEP2

OEP2

3241 drw 01

I/O0P2-I/O7P2

A0P2 -A11P2

R/WP4

I/O0P4-I/O7P4

CEP4

OEP4

A0P4 -A11P4

R/WP3

CEP3

OEP3

I/O0P3-I/O7P3

A0P3 -A11P3

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