AT28C16 データシートの表示（PDF） - Atmel Corporation

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AT28C16

16K (2K x 8) Parallel EEPROMs

Atmel Corporation 

Features

• Fast Read Access Time - 150 ns

• Fast Byte Write - 200 µs or 1 ms

• Self-Timed Byte Write Cycle

– Internal Address and Data Latches

– Internal Control Timer

– Automatic Clear Before Write

• Direct Microprocessor Control

– DATA POLLING

• Low Power

– 30 mA Active Current

– 100 µA CMOS Standby Current

• High Reliability

– Endurance: 104 or 105 Cycles

– Data Retention: 10 Years

• 5V ± 10% Supply

• CMOS & TTL Compatible Inputs and Outputs

• JEDEC Approved Byte Wide Pinout

• Commercial and Industrial Temperature Ranges

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.

(continued)

Pin Configurations

Pin Name

A0 - A10

CE

OE

WE

I/O0 - I/O7

NC

DC

Function

Addresses

Chip Enable

Output Enable

Write Enable

Data Inputs/Outputs

No Connect

Don’t Connect

PLCC

Top View

A6 5

A5 6

A4 7

A3 8

A2 9

A1 10

A0 11

NC 12

I/O0 13

29 A8

28 A9

27 NC

26 NC

25 OE

24 A10

23 CE

22 I/O7

21 I/O6

PDIP, SOIC

Top View

A7 1

A6 2

A5 3

A4 4

A3 5

A2 6

A1 7

A0 8

I/O0 9

I/O1 10

I/O2 11

GND 12

24 VCC

23 A8

22 A9

21 WE

20 OE

19 A10

18 CE

17 I/O7

16 I/O6

15 I/O5

14 I/O4

13 I/O3

16K (2K x 8)

Parallel

EEPROMs

AT28C16

Note: PLCC package pins 1 and 17

are DON’T CONNECT.

Rev. 0540B–10/98

1

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