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White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
HI-RELIABILITY PRODUCT
WE128K32-XXX
128Kx32 EEPROM MODULE, SMD 5962-94585
TOP VIEW
PIN DESCRIPTION
I/O0-31 Data Inputs/Outputs
A0-16
Address Inputs
WE1-4
Write Enables
CS1-4
Chip Selects
OE
Output Enable
VCC
Power Supply
GND
Ground
NC
Not Connected
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
CS1
128K x 8
8
I/O 8-15
2
128K x 8
8
I/O 16-23
3
128K x 8
8
I/O 24-31
4
A 0-16
OE
WE
CS
WE
CS
WE
CS
WE
12
3
4
FEATURES
s Access Times of 120*, 140, 150, 200, 250, 300ns
s Packaging:
66-pin, PGA Type, 27.3mm (1.075") square, Hermetic
Ceramic HIP (Package 400)
68 lead, 40mm CQFP (G4), (Package 501)
68 lead, 22.4mm sq. CQFP (G2T), 4.57mm (0.180") high,
(Package 509)
68 lead, 22.4mm sq. Low Profile CQFP (G1U), 3.57mm
(0.140") high, (Package 519)
s Organized as 128Kx32; User Configurable as 256Kx16 or 512Kx8
s Write Endurance 10,000 Cycles
s Data Retention Ten Years Minimum (at +25
°C)
s Commercial, Industrial and Military Temperature Ranges
s Low Power CMOS
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 Built-in Decoupling Caps and Multiple Ground Pins for Low
Noise Operation
s Weight
WE128K32-XG2TX - 8 grams typical
WE128K32-XG1UX - 5 grams typical
WE128K32-XH1X - 13 grams typical
WE128K32-XG4X - 20 grams typical
* 120ns not available for SMD product
FIG. 1
PIN CONFIGURATION FOR WE128K32N-XH1X
July 2001 Rev. 5