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White Electronic Designs Corporation |
White Electronic Designs
WE32K32-XXX
32Kx32 EEPROM MODULE, SMD 5962-94614
FEATURES
Access Times of 80**, 90, 120, 150ns
Data Retention at 25°C, 10 Years
MIL-STD-883 Compliant Devices Available
Write Endurance, 10,000 Cycles
Packaging:
• 68 lead, Hermetic CQFP (G2U), 122.4mm
(0.880") square, 3.56mm (0.140") height
(Package 510).
Organized as 32Kx32; User Configurable 64Kx16
or 128Kx8
Commercial, Industrial and Military Temperature
Ranges
• 66-pin, PGA Type, 1.075" square, Hermetic
Ceramic HIP (Package 400)
* This product is subject to change without notice.
** 80ns speed is not fully characterized and is subject to change or cancellation without
notice.
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
Low Power CMOS, 10mA Standby Typical
Built-in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
FIGURE 1 – PIN CONFIGURATION FOR
WE32K32N-XH1X
Top View
1 12 23
34 45 56
I/O8 WE2# I/O15
I/O24
VCC
I/O31
I/O9
CS2#
I/O14
I/O25 CS4#
I/O30
I/O10
GND
I/O13
I/O26 WE4#
I/O29
A13
I/O11
I/O12
A6 I/O27
I/O28
A14 A10
OE#
A7 A3
A0
NC A11
NC
NC A4
A1
NC A12
WE1#
A8 A5
A2
NC VCC I/O7
A9 WE3#
I/O23
I/O0 CS1# I/O6
I/O16 CS3#
I/O22
I/O1 NC
I/O5
I/O17 GND
I/O21
I/O2 I/O3
I/O4
11 22
33
I/O18
I/O19
I/O20
44 55 66
Pin Description
I/O0-31 Data Input/Output
A0-14
WE1-4#
CS1-4#
Address Inputs
Write Enable
Chip Selects
OE# Output Enable
VCC Power Supply
GND Ground
NC Not Connected
Block Diagram
OE#
A0-14
WE1# CS1#
WE2# CS2#
WE3# CS3#
WE4# CS4
32K x 8
32K x 8
32K x 8
32K x 8
8
I/O0-7
8
I/O8-15
8
I/O16-23
8
I/O24-31
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
March 2006
Rev. 4
www.DataSheet.in
1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
WE32K32-XXX
FIGURE 2 – PIN CONFIGURATION FOR WE32K32-XG2UX
Top View
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
GND
I/O8
I/O9
I/O10
I/O11
I/O12
I/O13
I/O14
I/O15
10 60
11 59
12 58
13 57
14 56
15 55
16 54
17 53
18 52
19 51
20 50
21 49
22 48
23 47
24 46
25 45
26 44
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
I/O16
I/O17
I/O18
I/O19
I/O20
I/O21
I/O22
I/O23
GND
I/O24
I/O25
I/O26
I/O27
I/O28
I/O29
I/O30
I/O31
Pin Description
I/O0-31
A0-14
WE1-4#
Data Input/Output
Address Inputs
Write Enable
CS1-4#
OE#
VCC
GND
NC
Chip Selects
Output Enable
Power Supply
Ground
Not Connected
Block Diagram
OE#
A0-14
WE1# CS1#
WE2# CS2#
WE3# CS3#
WE4# CS4#
32K x 8
32K x 8
32K x 8
32K x 8
8
I/O0-7
8
I/O8-15
8
I/O16-23
8
I/O24-31
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
March 2006
Rev. 4
www.DataSheet.in
2 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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