1

Features

– Internal Address and Data Latches

– Internal Control Timer

– Automatic Clear Before Write

–DATA POLLING

– 30 mA Active Current

–100 µA CMOS Standby Current

– Endurance: 10

– Data Retention: 10 Years

± 10% Supply

Description

The AT28C16 is a low-power, high-performance Electrically Erasable and Program-

mable Read Only Memory with easy to use features. The AT28C16 is a 16K memory

organized as 2,048 words by 8 bits. The device is manufactured with Atmel’s reliable

nonvolatile CMOS technology.

16K (2K x 8)

Parallel

EEPROMs

AT28C16

Rev. 0540B–10/98

Pin Configurations

Pin Name

Function

A0 - A10

Addresses

CE

Chip Enable

OE

Output Enable

WE

Write Enable

I/O0 - I/O7

Data Inputs/Outputs

NC

No Connect

DC

Don’t Connect

PDIP, SOIC

Top View

1

2

3

4

5

6

7

8

9

10

11

12

24

23

22

21

20

19

18

17

16

15

14

13

A7

A6

A5

A4

A3

A2

A1

A0

I/O0

I/O1

I/O2

GND

VCC

A8

A9

WE

OE

A10

CE

I/O7

I/O6

I/O5

I/O4

I/O3

PLCC

Top View

Note: PLCC package pins 1 and 17

are DON’T CONNECT.

5

6

7

8

9

10

11

12

13

29

28

27

26

25

24

23

22

21

A6

A5

A4

A3

A2

A1

A0

NC

I/O0

A8

A9

NC

NC

OE

A10

CE

I/O7

I/O6

(continued)