AS7C164A datasheet(1/10 Pages) ETC2

Il numero della parte	AS7C164A

Spiegazioni elettronici	8K X 8 BIT HIGH SPEED CMOS SRAM

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FEATURES

Fast access time : 12/15 ns

Low power consumption:

Operating current : 110/100/90/80mA (TYP.)

Standby current : 1mA (TYP.)

Single 5V power supply

All inputs and outputs TTL compatible

Fully static operation

Tri-state output

Data retention voltage : 2.0V (MIN.)

Green package available

Package : 28-pin 300 mil SOJ

GENERAL DESCRIPTION

The AS7C164A is a 65,536-bit high speed CMOS static

random access memory organized as 8,192 words

by

8

bits.

It

is

fabricated

using

very

high

performance, high reliability CMOS technology. Its

standby current is stable within the range of

operating temperature.

The AS7C164A is well designed for high speed system

applications, and particularly well suited for battery

back-up nonvolatile memory application.

The AS7C164A operates from a single power supply

of 5V and all inputs and outputs are fully TTL

compatible

PRODUCT FAMILY

Power Dissipation

Product

Family

Operating

Temperature

Vcc Range

Speed

Standby(ISB1,TYP.) Operating(Icc,TYP.)

AS7C164A

0 ~ 70℃

4.5 ~ 5.5V

12/15ns

1mA

110/100/90/80mA

FUNCTIONAL BLOCK DIAGRAM

DECODER

I/O DATA

CIRCUIT

CONTROL

CIRCUIT

8Kx8

MEMORY ARRAY

COLUMN I/O

A0-A12

Vcc

Vss

DQ0-DQ7

CE#

WE#

OE#

CE2

PIN DESCRIPTION

SYMBOL

DESCRIPTION

A0 - A12

Address Inputs

DQ0 – DQ7

Data Inputs/Outputs

CE#, CE2

Chip Enable Inputs

WE#

Write Enable Input

OE#

Output Enable Input

VCC

Power Supply

VSS

Ground

NC

No Connection

NOVEMBER 2009

AS7C164A

8K X 8 BIT HIGH SPEED CMOS SRAM

NOVEMBER/2009 V1.2

Page 1 of 10

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