AT27C256R-70JI datasheet(1/9 Pages) ATMEL

Part #	AT27C256R-70JI

Description	256K 32K x 8 OTP CMOS EPROM

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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AT27C256R

Description

The AT27C256R is a low-power, high performance 262,144 bit one-time programma-

ble read only memory (OTP EPROM) organized 32K by 8 bits. It requires only one

5V power supply in normal read mode operation. Any byte can be accessed in less

than 45 ns, eliminating the need for speed reducing WAIT states on high performance

microprocessor systems.

Atmel’s scaled CMOS technology provides low active power consumption, and fast

programming. Power consumption is typically only 8 mA in Active Mode and less

than 10

µA in Standby.

(continued)

256K (32K x 8)

OTP

CMOS

EPROM

Features

• Fast Read Access Time - 45 ns

• Low Power CMOS Operation

100

µA max. Standby

20 mA max. Active at 5 MHz

• JEDEC Standard Packages

28-Lead 600-mil PDIP

32-Lead PLCC

28-Lead TSOP and SOIC

• 5V ± 10% Supply

• High Reliability CMOS Technology

2,000V ESD Protection

200 mA Latchup Immunity

• Rapid™Programming Algorithm - 100 µs/byte (typical)

• CMOS and TTL Compatible Inputs and Outputs

• Integrated Product Identification Code

• Commercial and Industrial Temperature Ranges

Pin Configurations

Pin Name

Function

A0 - A14

Addresses

O0 - O7

Outputs

CE

Chip Enable

OE

Output Enable

NC

No Connect

PDIP, SOIC Top View

Note: PLCC Package Pins 1 and

17 are DON’T CONNECT.

PLCC Top View

TSOP Top View

Type 1

0014G

AT27C256R

3-125

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AT27C256R-70JI Datasheet(PDF) 1 Page - ATMEL Corporation

AT27C256R-70JI Datasheet(HTML) 1 Page - ATMEL Corporation

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