AT28C64/X Просмотр технического описания (PDF) - Atmel Corporation

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AT28C64/X

64K (8K x 8) CMOS E2PROM

Atmel Corporation 

AT28C64/X

Features

Fast Read Access Time - 120 ns

•• Fast Byte Write - 200 µs or 1 ms

• Self-Timed Byte Write Cycle

Internal Address and Data Latches

Internal Control Timer

Automatic Clear Before Write

• Direct Microprocessor Control

READY/BUSY Open Drain Output

DATA Polling

• Low Power

30 mA Active Current

100 µA CMOS Standby Current

• High Reliability

Endurance: 104 or 105 Cycles

Data Retention: 10 Years

• 5V ± 10% Supply

CMOS and TTL Compatible Inputs and Outputs

• JEDEC Approved Byte-Wide Pinout

•• Commercial and Industrial Temperature Ranges

64K (8K x 8)

CMOS

E2PROM

Description

The AT28C64 is a low-power, high-performance 8,192 words by 8 bit nonvolatile

Electrically Erasable and Programmable Read Only Memory with popular, easy to

use features. The device is manufactured with Atmel’s reliable nonvolatile technol-

ogy.

(continued)

Pin Configurations

Pin Name

A0 - A12

CE

OE

WE

I/O0 - I/O7

RDY/BUSY

NC

DC

Function

Addresses

Chip Enable

Output Enable

Write Enable

Data Inputs/Outputs

Ready/Busy Output

No Connect

Don’t Connect

PDIP, SOIC

Top View

LCC, PLCC

Top View

TSOP

Top View

AT28C64/X

Note: PLCC package pins 1 and

17 are DON’T CONNECT.

0001G

2-193

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