WE32K32-XXX
White Electronic Designs
32Kx32 EEPROM MODULE, SMD 5962-94614
FEATURES
■ Data Retention at 25°C, 10 Years
■ Write Endurance, 10,000 Cycles
■ Access Times of 80*, 90, 120, 150ns
■ MIL-STD-883 Compliant Devices Available
■ Packaging:
■ Organized as 32Kx32; User Configurable 64Kx16
or 128Kx8
68 lead, Hermetic CQFP (G2U), 122ꢀ4mm
(0ꢀ880") square, 3ꢀ56mm (0ꢀ140") height
(Package 510)ꢀ
■ Commercial, Industrial and Military Temperature
Ranges
68 lead, Hermetic CQFP (G1U)1, 23ꢀ9mm
(0ꢀ940") square, 3ꢀ56mm (0ꢀ140") high (Pack
age 519)
■ 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
68 lead, Hermetic CQFP (G1T), 23ꢀ9mm
(0ꢀ940") square, 4ꢀ06mm (0ꢀ160"), (Package
524)
66-pin, PGA Type, 1ꢀ075" square, Hermetic
Ceramic HIP (Package 400)
■ Low Power CMOS, 10mA Standby Typical
■ Built-in Decoupling Caps and Multiple Ground
Pins for Low Noise Operation
*
80nsspeedisnotfullycharacterizedandissubjecttochangeor
cancellation without noticeꢀ
NOTE 1: Package not recommended for new design
FIGꢀ 1 PIN CONFIGURATION FOR WE32K32N-XH1X
TOP VIEW
PIN DESCRIPTION
1
12
23
34
45
56
I/O0-31 Data Inputs/Outputs
I/O
8
9
WE
2
I/O15
I/O14
I/O13
I/O12
OE
I/O24
I/O25
I/O26
V
CC
I/O31
I/O30
I/O29
I/O28
A0-14
WE1-4
CS1-4
OE
Address Inputs
Write Enables
Chip Selects
I/O
CS2
CS
4
4
I/O10
GND
I/O11
WE
Output Enable
Power Supply
A
13
14
A
6
7
I/O27
VCC
A
A10
A11
A12
VCC
A
A
3
4
5
3
3
A0
A1
A2
GND
NC
Ground
NC
NC
NC
NC
NC
A
Not Connected
WE
1
A
8
9
A
BLOCK DIAGRAM
I/O
I/O
I/O
I/O
7
A
WE
CS
I/O23
I/O22
I/O21
I/O20
WE3 CS3
WE4 CS4
WE1 CS1
WE2 CS2
OE
I/O
I/O
I/O
0
CS
NC
I/O
1
6
I/O16
I/O17
I/O18
A
0-14
1
2
5
4
GND
I/O19
32K x 8
32K x 8
32K x 8
32K x 8
3
11
22
33
44
55
66
8
8
8
8
I/O16-23
I/O24-31
I/O0-7
I/O8-15
1
White Electronic Designs Corporation (602) 437-1520 wwwꢀwhiteedcꢀcom
October 2002 Revꢀ 3