Datasheet > 29C020

29C020

更新时间： 2022-11-25 16:15:55

品牌	Logo	应用领域
爱特美尔 - ATMEL		闪存
页数	文件大小	规格书
11页	260K
描述
2-Megabit 256K x 8 5-volt Only CMOS Flash Memory

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29C020 数据手册

Features

Fast Read Access Time - 90 ns

5-Volt-Only Reprogramming

Sector Program Operation

•

Single Cycle Reprogram (Erase and Program)

1024 Sectors (256 bytes/sector)

Internal Address and Data Latches for 256-Bytes

Internal Program Control and Timer

Hardware and Software Data Protection

Two 8 KB Boot Blocks with Lockout

Fast Sector Program Cycle Time - 10 ms

DATA Polling for End of Program Detection

Low Power Dissipation

•

2-Megabit

(256K x 8)

5-volt Only

CMOS Flash

Memory

•

40 mA Active Current

100 µA CMOS Standby Current

Typical Endurance > 10,000 Cycles

Single 5V ±10% Supply

CMOS and TTL Compatible Inputs and Outputs

•

Commercial and Industrial Temperature Ranges

•

Description

The AT29C020 is a 5-volt-only in-system Flash programmable and erasable read only

memory (PEROM). Its 2 megabits of memory is organized as 262,144 bytes. Manu-

factured with Atmel’s advanced nonvolatile CMOS technology, the device offers ac-

cess times to 90 ns with power dissipation of just 220 mW over the commercial tem-

perature range. When the device is deselected, the CMOS standby current is less

than 100 µA. Device endurance is such that any sector can typically be written to in

excess of 10,000 times.

AT29C020

(continued)

AT29C020

DIP Top View

Pin Configurations

Pin Name Function

A0 - A17

Addresses

Chip Enable

Output Enable

Write Enable

I/O0 - I/O7 Data Inputs/Outputs

No Connect

PLCC Top View

TSOP Top View

Type 1

0291I/G20-I–6/97

12 3 4 5 6 7...11

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