we128k8-300cqa White Electronic Designs Corporation, we128k8-300cqa Datasheet - Page 2

• Manufacturer Part Number: we128k8-300cqa
• Description: 512kx8 Cmos Eeprom, We512k8-xcx, 5962-93091
• Manufacturer: White Electronic Designs Corporation

256Kx8 CMOS EEPROM, WE256K8-XCX, SMD 5962-93155
256Kx8 BIT CMOS EEPROM MODULE
FEATURES
White Electronic Designs Corp. reserves the right to change products or specifi cations without notice.
May 2000
Rev. 1
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
White Electronic Designs
2
WE#
I/O
CS#
White Electronic Designs Corporation • [phone] • www.wedc.com
A
A
A
A
0-7
0-14
15
16
17
OE#
A0-18
I/O0-7
CS#
OE#
WE#
V
V
I/O0
I/O1
I/O2
A16
A15
A12
V
NC
CC
SS
A7
A6
A5
A4
A3
A2
A1
A0
32K x 8
SS
Pin Confi guration
1
Pin Description
Block Diagram
WE512K8, WE256K8,
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
FIGURE 2
Top View
Address Inputs
Data Input/Output
Chip Select
Output Enable
Write Enable
+5.0V Power
Ground
32K x 8
2
Decoder
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
WE128K8-XCX
V
WE#
A17
A14
A13
A8
A9
A11
OE#
A10
CS#
I/O7
I/O6
I/O5
I/O4
I/O3
CC
32K x 8
8