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28C16A-90

16 kb CMOS Parallel EEPROM

ON Semiconductor 

CAT28C16A

16 kb CMOS Parallel

EEPROM

Description

The CAT28C16A is a fast, low power, 5V−only CMOS Parallel

EEPROM organized as 2K x 8−bits. It requires a simple interface for

in−system programming. On−chip address and data latches,

self−timed write cycle with auto−clear and VCC power up/down write

protection eliminate additional timing and protection hardware. DATA

Polling signals the start and end of the self−timed write cycle.

Additionally, the CAT28C16A features hardware write protection.

The CAT28C16A is manufactured using ON Semiconductor’s

advanced CMOS floating gate technology. It is designed to endure

100,000 program/erase cycles and has a data retention of 100 years.

The device is available in JEDEC approved 24−pin DIP and SOIC or

32−pin PLCC packages.

Features

• Fast Read Access Times: 90 ns, 120 ns, 200 ns

• Low Power CMOS Dissipation:

– Active: 25 mA Max.

– Standby: 100 mA Max.

• Simple Write Operation:

– On−chip Address and Data Latches

– Self−timed Write Cycle with Auto−clear

• Fast Write Cycle Time: 10 ms Max

• End of Write Detection: DATA Polling

• Hardware Write Protection

• CMOS and TTL Compatible I/O

• 100,000 Program/Erase Cycles

• 100 Year Data Retention

• Commercial, Industrial and Automotive Temperature Ranges

PIN CONFIGURATION

DIP Package (L)

SOIC Package (J, K, W, X)

PLCC Package (N, G)

A7

1

24

VCC

A6 2

23 A8

A5 3

22 A9

A4 4

21 WE

A3 5

20 OE

A2 6

19

A10

A1 7

18 CE

A0 8

17 I/O7

I/O0 9

16 I/O6

I/O1 10

15

I/O5

I/O2 11

14 I/O4

VSS 12

13

I/O3

4 3 2 1 32 31 30

A6 5

29 A8

A5 6

28 A9

A4 7

27 NC

A3 8

26 NC

A2 9

TOP VIEW 25 OE

A1 10

24 A10

A0 11

23 CE

NC 12

22 I/O7

I/O0 13

21 I/O6

14 15 16 17 18 19 20

http://onsemi.com

SOIC−24

J, K, W, X SUFFIX

CASE 751BK

PDIP−24

L SUFFIX

CASE 646AD

PLCC−32

N, G SUFFIX

CASE 776AK

Pin Name

A0−A10

I/O0−I/O7

CE

OE

WE

VCC

VSS

NC

PIN FUNCTION

Function

Address Inputs

Data Inputs/Outputs

Chip Enable

Output Enable

Write Enable

5 V Supply

Ground

No Connect

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 10 of this data sheet.

© Semiconductor Components Industries, LLC, 2009

1

October, 2009 − Rev. 6

Publication Order Number:

CAT28C16A/D

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