 2004 Microchip Technology Inc.

DS11173G-page 1

27C512A

FEATURES

• High speed performance

• CMOS Technology for low power consumption

- 25 mA Active current

-30

µA Standby current

• Factory programming available

• Auto-insertion-compatible plastic packages

• Auto ID aids automated programming

• High speed express programming algorithm

• Organized 64K x 8: JEDEC standard pinouts

- 28-pin Dual-in-line package

- 32-pin PLCC Package

- 28-pin SOIC package

- Tape and reel

• Data Retention > 200 years

• Available for the following temperature ranges

- Commercial:

0°C to +70°C

- Industrial:

-40°C to +85°C

- Automotive:

-40°C to +125°C

DESCRIPTION

The Microchip Technology Inc. 27C512A is a CMOS

512K bit electrically Programmable Read Only Memory

(EPROM). The device is organized into 64K words by

8 bits (64K bytes). Accessing individual bytes from an

address transition or from power-up (chip enable pin

going low) is accomplished in less than 90 ns.

This

very high speed device allows the most sophisticated

microprocessors to run at full speed without the need

for WAIT states.

CMOS design and processing

enables this part to be used in systems where reduced

power consumption and high reliability are require-

ments.

A complete family of packages is offered to provide the

most flexibility in applications. For surface mount appli-

cations, PLCC or SOIC packaging is available. Tape or

reel packaging is also available for PLCC or SOIC

packages.

PACKAGE TYPES

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

A15

A12

A7

A6

A5

A4

A3

A2

A1

A0

O0

O1

O2

A14

A13

A8

A9

A11

A10

CE

O7

O6

O5

O4

O3

A6

A5

A4

A3

A2

A1

A0

NC

O0

A8

A9

A11

NC

A10

CE

O7

O6

5

6

7

8

9

10

11

12

13

29

28

27

26

25

24

23

22

21

PLCC

DIP/SOIC

512K (64K x 8) CMOS EPROM

Obsolete Device