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©2004 Integrated Device Technology, Inc.

JUNE 2004

DSC-2692/16

HIGH SPEED

2K x 8 DUAL PORT

STATIC RAM

IDT7132SA/LA

IDT7142SA/LA

Functional Block Diagram

Features

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High-speed access

– Commercial:20/25/35/55/100ns(max.)

– Industrial: 25ns (max.)

– Military:25/35/55/100ns(max.)

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Low-power operation

– IDT7132/42SA

Active: 325mW (typ.)

Standby: 5mW (typ.)

– IDT7132/42LA

Active: 325mW (typ.)

Standby: 1mW (typ.)

NOTES:

1. IDT7132 (MASTER): BUSY is open drain output and requires pullup resistor of 270

Ω.

IDT7142 (SLAVE): BUSY is input.

2. Open drain output: requires pullup resistor of 270

Ω.

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MASTERIDT7132easilyexpandsdatabuswidthto16-or-more

bits using SLAVE IDT7142

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On-chip port arbitration logic (IDT7132 only)

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BUSY

output flag on IDT7132; BUSY input on IDT7142

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

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TTL-compatible, single 5V ±10% power supply

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

packages

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Military product compliant to MIL-PRF-38535 QML

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

selected speeds

R/

R/

R/

I/O

Control

I/O

Control

Address

Decoder

Address

Decoder

MEMORY

ARRAY

ARBITRATION

LOGIC

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