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White Electronic Designs Corporation

WE256K8 Datasheet Preview

WE256K8 Datasheet

512Kx8 CMOS EEPROM

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White Electronic Designs
WE512K8, WE256K8,
WE128K8-XCX
512Kwwxw8.DatCaShMeeOt4US.comEEPROM, 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
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
VSS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
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




White Electronic Designs Corporation

WE256K8 Datasheet Preview

WE256K8 Datasheet

512Kx8 CMOS EEPROM

No Preview Available !

White Electronic Designs
WE512K8, WE256K8,
WE128K8-XCX
256Kwwxw8.DatCaShMeeOt4US.comEEPROM, WE256K8-XCX, SMD 5962-93155
256Kx8 BIT CMOS EEPROM MODULE
FEATURES
Read Access Times of 150, 200ns
JEDEC Standard 32 Pin, Hermetic Ceramic DIP
(Package 302)
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:
2mA Standby Typical/90mA Operating Maximum
Automatic Page Write Operation
Internal Address and Data Latches for
512 Bytes, 1 to 64 Bytes/Row, Eight 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 2
Pin Configuration
Top View
NC
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
VSS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
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
A0-14
I/O0-7
WE#
OE#
1
32K x 8
2
32K x 8
8
32K x 8
A15
A16
A17
CS#
Decoder
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
May 2000
Rev. 1
2 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com


Part Number WE256K8
Description 512Kx8 CMOS EEPROM
Maker White Electronic Designs Corporation
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