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WE32K32-90G2UI Datasheet

  • WE32K32-90G2UI

  • EEPROM|32KX32|CMOS|QFP|68PIN|CERAMIC

  • 13頁

  • ETC

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WE32K32-XXX
HI-RELIABILITY PRODUCT
32Kx32 EEPROM MODULE, SMD 5962-94614
FEATURES
s
Access Times of 80*, 90, 120, 150ns
s
MIL-STD-883 Compliant Devices Available
s
Packaging:
鈥?68 lead, Hermetic CQFP (G2U), 22.4mm (0.880") square,
3.56mm (0.140") height (Package 510). Designed to fit
JEDEC 68 lead 0.990" CQFJ footprint (Fig. 2)
鈥?66-pin, PGA Type, 1.075" square, Hermetic Ceramic HIP
(Package 400)
s
Data Retention at 25擄C, 10 Years
s
Write Endurance, 10,000 Cycles
s
Organized as 32Kx32; User Configurable 64Kx16 or 128Kx8
s
Commercial, Industrial and Military Temperature Ranges
s
Automatic Page Write Operation
s
Page Write Cycle Time: 10ms Max
s
Data Polling for End of Write Detection
s
Hardware and Software Data Protection
s
TTL Compatible Inputs and Outputs
s
5 Volt Power Supply
s
Low Power CMOS, 10mA Standby Typical
s
Built-in Decoupling Caps and Multiple Ground Pins for Low
Noise Operation
* 80ns speed is not fully characterized and is subject to change or
cancellation without notice.
FIG. 1
PIN CONFIGURATION FOR WE32K32N-XH1X
TOP VIEW
PIN DESCRIPTION
34
I/O
15
I/O
14
I/O
13
I/O
12
OE
NC
WE
1
I/O
7
I/O
6
I/O
5
I/O
4
33
I/O
24
I/O
25
I/O
26
A
6
A
7
NC
A
8
A
9
I/O
16
I/O
17
I/O
18
44
V
CC
CS
4
WE
4
I/O
27
A
3
A
4
A
5
WE
3
CS
3
GND
I/O
19
55
45
I/O
31
I/O
30
I/O
29
I/O
28
56
1
I/O
8
I/O
9
I/O
10
A
13
A
14
NC
NC
NC
I/O
0
I/O
1
I/O
2
11
12
WE
2
CS
2
GND
I/O
11
A
10
A
11
A
12
V
CC
CS
1
NC
I/O
3
22
23
I/O
0-31
Data Inputs/Outputs
A
0-14
WE
1-4
CS
1-4
OE
V
CC
Address Inputs
Write Enables
Chip Selects
Output Enable
Power Supply
Ground
Not Connected
A
0
A
1
A
2
I/O
23
I/O
22
I/O
21
I/O
20
66
8
8
8
GND
NC
BLOCK DIAGRAM
W E
1
CS
1
OE
A
0-14
32K x 8
32K x 8
W E
2
CS
2
W E
3
CS
3
W E
4
CS
4
32K x 8
32K x 8
8
I/O
0-7
I/O
8-15
I/O
16-23
I/O
24-31
June 1999 Rev. 2
1
White Electronic Designs Corporation 鈥?Phoenix, AZ 鈥?(602) 437-1520

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