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參數(shù)資料
| 型號： | WE128K32-250G2TMA |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | PROM |
| 英文描述： | 128K X 32 EEPROM 5V MODULE, 250 ns, CQFP68 |
| 封裝： | 22.40 X 22.40 MM, 4.57 MM HEIGHT, CERAMIC, QFP-68 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大小： | 620K |
| 代理商： | WE128K32-250G2TMA |
1
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
WE128K32-XXX
March 2006
Rev. 10
White Electronic Designs Corp. reserves the right to change products or specications without notice.
128Kx32 EEPROM MODULE, SMD 5962-94585
Top View
Block Diagram
I/O8
I/O9
I/O10
A13
A14
A15
A16
NC
I/O0
I/O1
I/O2
WE2#
CS2#
GND
I/O11
A10
A11
A12
VCC
CS1#
NC
I/O3
I/O15
I/O14
I/O13
I/O12
OE#
NC
WE1#
I/O7
I/O6
I/O5
I/O4
I/O24
I/O25
I/O26
A6
A7
NC
A8
A9
I/O16
I/O17
I/O18
VCC
CS4#
WE4#
I/O27
A3
A4
A5
WE3#
CS3#
GND
I/O19
I/O31
I/O30
I/O29
I/O28
A0
A1
A2
I/O23
I/O22
I/O21
I/O20
11
22
33
44
55
66
1
12
23
34
45
56
128K x 8
8
I/O 0-7
WE
1 #
CS
1 #W E 2 #
CS
2 #W E 3 #
CS
3 #W E 4 #
CS
4 #
128K x 8
8
I/O 8-15
128K x 8
8
I/O 16-23
128K x 8
8
I/O 24-31
A 0-16
OE#
FEATURES
Access Times of 120**, 140, 150, 200, 250, 300ns
Packaging:
66-pin, PGA Type, 27.3mm (1.075") square,
Hermetic Ceramic HIP (Package 400)
68 lead, 22.4mm sq. CQFP (G2T), 4.57mm
(0.180") high, (Package 509)
Organized as 128Kx32; User Congurable as
256Kx16 or 512Kx8
Write Endurance 10,000 Cycles
Data Retention Ten Years Minimum (at +25°C)
Commercial, Industrial and Military Temperature
Ranges
Low Power CMOS
Automatic Page Write Operation
Page Write Cycle Time: 10ms Max
Data Polling for End of Write Detection
Hardware and Software Data Protection
TTL Compatible Inputs and Outputs
5 Volt Power Supply
Built-in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
Weight
WE128K32-XG2TX - 8 grams typical
WE128K32-XH1X - 13 grams typical
** 120ns not available for SMD product
*This product is subject to change without notice.
FIGURE 1 – PIN CONFIGURATION FOR
WE128K32N-XH1X
Pin Description
I/O0-31
Data Input/Output
A0-16
Address Inputs
WE1-4#
Write Enable
CS1-4#
Chip Selects
OE#
Output Enable
VCC
Power Supply
GND
Ground
NC
Not Connected
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