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參數資料
| 型號： | WE256K8-300CQA |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | PROM |
| 英文描述： | EEPROM 5V MODULE, CDIP32 |
| 封裝： | CERAMIC, HERMETIC SEALED DIP-32 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 678K |
| 代理商： | WE256K8-300CQA |
WE512K8, WE256K8,
WE128K8-XCX
1
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
March 2007
Rev. 2
White Electronic Designs Corp. reserves the right to change products or specications without notice.
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 Conguration
Top View
Block Diagram
A18
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
VSS
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
VCC
WE#
A17
A14
A13
A8
A9
A11
OE#
A10
CS#
I/O7
I/O6
I/O5
I/O4
I/O3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Pin Description
A0-18
Address Inputs
I/O0-7
Data Input/Output
CS#
Chip Select
OE#
Output Enable
WE#
Write Enable
VCC
+5.0V Power
VSS
Ground
A0-16
A17
128K x 8
Decoder
128K x 8
A18
I/O0-7
WE#
OE#
CS#
512Kx8 CMOS EEPROM, WE512K8-XCX, SMD 5962-93091
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