Rainbow Electronics AT29C512 User Manual

Features, Description, Pin configurations

Features

•

Fast Read Access Time – 70 ns

•

5-volt Only Reprogramming

•

Sector Program Operation

– Single Cycle Reprogram (Erase and Program)
– 512 Sectors (128 Bytes/Sector)
– Internal Address and Data Latches for 128 Bytes

•

Internal Program Control and Timer

•

Hardware and Software Data Protection

•

Fast Sector Program Cycle Time – 10 ms

•

DATA Polling for End of Program Detection

•

Low Power Dissipation

– 50 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 AT29C512 is a 5-volt only in-system Flash programmable and erasable read only
memory (PEROM). Its 512K of memory is organized as 65,536 words by 8 bits. Man-
ufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers
access times to 70 ns with power dissipation of just 275 mW over the commercial tem-
perature range. When the device is deselected, the CMOS standby current is less
than 100

µA. The device endurance is such that any sector can typically be written to

in excess of 10,000 times.

512K (64K x 8)
5-volt Only
Flash Memory

AT29C512

Rev. 0456E–FLASH–5/02

Pin Configurations

Pin Name

Function

A0 - A15

Addresses

Chip Enable

Output Enable

Write Enable

I/O0 - I

Data Inputs/Outputs

No Connect

TSOP Top View

Type 1

A11

A13

A14

VCC

A15

A12

A10

I/O7

I/O6

I/O5

I/O4

I/O3

GND

I/O2

I/O1

I/O0

DIP Top View

PLCC Top View

A15

A12

I/O0

I/O1

I/O2

GND

VCC

A14

A13

A11

A10

I/O7

I/O6

I/O5

I/O4

I/O3

I/O0

A14

A13

A11

A10

I/O7

I/O1

I/O2

GND

I/O3

I/O4

I/O5

I/O6

A12

A15

VCC

Table of contents

Rainbow Electronics AT29C512 User Manual

Features, Description, Pin configurations

Document Outline