IDT7099S30J datasheet, PDF - EEWORLD Datasheet

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IDT7099S30J: DescriptionHIGH-SPEED 4K x 9 SYNCHRONOUS DUAL-PORT RAM; File Size96KB，9 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/

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IDT7099S30J Overview

HIGH-SPEED 4K x 9 SYNCHRONOUS DUAL-PORT RAM

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HIGH-SPEED

4K x 9 SYNCHRONOUS

DUAL-PORT RAM

Integrated Device Technology, Inc.

IDT7099S

FEATURES:

• High-speed clock-to-data output times

— Military: 20/25/30ns (max.)

— Commercial: 15/20/25ns (max.)

• Low-power operation

— IDT7099S

Active: 900 mW (typ.)

Standby: 50 mW (typ.)

• Architecture based on Dual-Port RAM cells

— Allows full simultaneous access from both ports

— Independent bit/byte Read and Write inputs for control

functions

• Synchronous operation

— 4ns setup to clock, 1ns hold on all control, data, and

address inputs

— Data input, address, and control registers

— Fast 15ns clock to data out

— 20ns cycle times, 50MHz operation

• Clock enable feature

• Guaranteed data output hold times

• Available in 68-pin PGA, 68-pin PLCC, and 80-pin TQFP

• Military product compliant to MIL-STD-883, Class B

• Industrial temperature range (–40°C to +85°C) is avail-

able, tested to military electrical specifications

DESCRIPTION:

The IDT7099 is a high-speed 4K x 9 bit synchronous Dual-

Port RAM. The memory array is based on Dual-Port memory

cells to allow simultaneous access from both ports. Registers

on control, data, and address inputs provide low set-up and

hold times. The timing latitude provided by this approach

allow systems to be designed with very short realized cycle

times. With an input data register, this device has been

optimized for applications having unidirectional data flow or

bi-directional data flow in bursts. Changing data direction from

reading to writing normally requires one dead cycle.

These Dual-Ports typically operate on only 900mW of

power at maximum high-speed clock-to-data output times as

fast as 15ns. An automatic power down feature, controlled

, permits the on-chip circuitry of each port to enter a very

low standby power mode.

The IDT7099 is packaged in a 68-pin PGA, 68-pin PLCC,

and a 80-pin TQFP. Military grade product is manufactured in

compliance with the latest revision of MIL-STD-883, Class B,

making it ideally suited to military temperature applications

demanding the highest level of performance and reliability.

FUNCTIONAL BLOCK DIAGRAM

I/O

0-7L

WRITE

LOGIC

SENSE

AMPS

MEMOR

MEMORY

ARRAY

DECODER DECODER

WRITE

LOGIC

SENSE

AMPS

I/O

0-7R

BIT

BYTE

CLK

REG

BIT

BYTE

CLK

CLKEN

Write

Control

Logic

REG

-A

11L

-A

11R

Write

Control

Logic

BIT R/

REG

BYTE R/

BIT R/

BYTE R/

3007 drw 01

The IDT logo is a registered trademark of Integrated Device Technology, Inc.

MILITARY AND COMMERCIAL TEMPERATURE RANGES

For latest information contact IDT’s web site at www.idt.com or fax-on-demand at 408-492-8391.

OCTOBER 1996

DSC-3007/3

6.23

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