 2004 Microchip Technology Inc.

DS11107M-page 1

27C64

FEATURES

• High speed performance

- 120 ns access time available

• CMOS Technology for low power consumption

- 20 mA Active current

- 100

µA Standby current

• Factory programming available

• Auto-insertion-compatible plastic packages

• Auto ID aids automated programming

• Separate chip enable and output enable controls

• High speed “express” programming algorithm

• Organized 8K x 8: JEDEC standard pinouts

- 28-pin Dual-in-line package

- 32-pin PLCC Package

- 28-pin SOIC package

- Tape and reel

• Available for the following temperature ranges

- Commercial:

0°C to +70°C

- Industrial:

-40°C to +85°C

DESCRIPTION

The Microchip Technology Inc. 27C64 is a CMOS 64K

bit (electrically) Programmable Read Only Memory.

The device is organized as 8K words by 8 bits (8K

bytes). Accessing individual bytes from an address

transition or from power-up (chip enable pin going low)

is accomplished in less than 120 ns. CMOS design and

processing enables this part to be used in systems

where reduced power consumption and high reliability

are requirements.

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

and reel packaging is also available for PLCC or SOIC

packages.

PACKAGE TYPES

A6

A5

A4

A3

A2

A1

A0

NC

O0

A8

A9

A11

NC

OE

A10

CE

O7

O6

5

6

7

8

9

10

11

12

13

29

28

27

26

25

24

23

22

21

• 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

V

A12

A7

A6

A5

A4

A3

A2

A1

A0

O0

O1

O2

V

V

PGM

NC

A8

A9

A11

OE

A10

CE

O7

O6

O5

O4

O3

PP

SS

CC

DIP/SOIC

PLCC

64K (8K x 8) CMOS EPROM

Obsolete Device