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SRAM

Austin Semiconductor, Inc.

512K x 8 SRAM

3.3 VOLT HIGH SPEED SRAM with

CENTER POWER PINOUT

AVAILABLE AS MILITARY

SPECIFICATIONS

鈥IL-STD-883 for Ceramic

鈥xtended Temperature Plastic (COTS)

AS5LC512K8

PIN ASSIGNMENT

(Top View)

36-Pin PSOJ (DJ)

36-Pin CLCC (EC)

FEATURES

鈥?Ultra High Speed Asynchronous Operation

鈥?Fully Static, No Clocks

鈥?Multiple center power and ground pins for improved

noise immunity

鈥?Easy memory expansion with CE\ and OE\

options

鈥?All inputs and outputs are TTL-compatible

鈥?Single +3.3V Power Supply +/- 0.3%

鈥?Data Retention Functionality Testing

鈥?Cost Efficient Plastic Packaging

鈥?Extended Testing Over -55潞C to +125潞C for plastics

36-Pin Flat Pack (F)

OPTIONS

鈥?Timing

12ns access

15ns access

20ns access

鈥?Operating Temperature Ranges

Military (-55

o

C to +125

o

C)

Industrial (-40

o

C to +85

o

C)

鈥?Package(s)

Ceramic Flatpack

Plastic SOJ (400 mils wide)

Ceramic LCC

鈥?2V data retention/low power

MARKING

-12

-15

-20

XT

IT

F

DJ

EC

L

No. 307

No. 210

GENERAL DESCRIPTION

The AS5LC512K8 is a 3.3V high speed SRAM. It offers

flexibility in high-speed memory applications, with chip enable (CE\)

and output enable (OE\) capabilities. These features can place the

outputs in High-Z for additional flexibility in system design.

Writing to these devices is accomplished when write enable (WE\)

and CE\ inputs are both LOW. Reading is accomplished when WE\

remains HIGH and CE\ and OE\ go LOW.

As a option, the device can be supplied offering a reduced power

standby mode, allowing system designers to meet low standby power

requirements. This device operates from a single +3.3V power supply

and all inputs and outputs are fully TTL-compatible.

The AS5LC512K8DJ offers the convenience and reliability of the

AS5LC512K8 SRAM and has the cost advantage of a plastic

encapsulation.

For more products and information

please visit our web site at

www.austinsemiconductor.com

AS5LC512K8

Rev. 1.0 7/02

Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.

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