WE256K8-150CC Просмотр технического описания (PDF) - White Electronic Designs => Micro Semi

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WE256K8-150CC

512Kx8 BIT CMOS EEPROM MODULE

White Electronic Designs => Micro Semi 

White Electronic Designs

WE512K8, WE256K8,

WE128K8-XCX

512Kx8 CMOS EEPROM, WE512K8-XCX, SMD 5962-93091

512Kx8 BIT CMOS EEPROM MODULE

FEATURES

Read Access Times of 150, 200, 250, 300ns

JEDEC Standard 32 Pin, Hermetic Ceramic DIP

(Package 300)

Commercial, Industrial and Military Temperature

Ranges

MIL-STD-883 Compliant Devices Available

Write Endurance 10,000 Cycles

Data Retention at 25°C, 10 Years

Low Power CMOS Operation:

3mA Standby Typical/100mA Operating Maximum

Automatic Page Write Operation

Internal Address and Data Latches for

512 Bytes, 1 to 128 Bytes/Row, Four Pages

Page Write Cycle Time 10mS Max.

Data Polling for End of Write Detection

Hardware and Software Data Protection

TTL Compatible Inputs and Outputs

FIGURE 1

Pin Configuration

Top View

A18 1

A16 2

A15 3

A12 4

A7 5

A6 6

A5 7

A4 8

A3 9

A2 10

A1 11

A0 12

I/O0 13

I/O1 14

I/O2 15

VSS

16

32

VCC

31 WE#

30 A17

29 A14

28 A13

27 A8

26 A9

25 A11

24 OE#

23 A10

22 CS#

21 I/O7

20 I/O6

19 I/O5

18 I/O4

17 I/O3

Pin Description

A0-18

I/O0-7

CS#

OE#

WE#

VCC

VSS

Address Inputs

Data Input/Output

Chip Select

Output Enable

Write Enable

+5.0V Power

Ground

Block Diagram

A0-16

I/O0-7

WE#

OE#

128K x 8

128K x 8

128K x 8

128K x 8

A17

A18

CS#

Decoder

White Electronic Designs Corp. reserves the right to change products or specifications without notice.

May 2000

Rev. 1

1

White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

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