WE128K32-XXX
HI-RELIABILITY PRODUCT
128Kx32 EEPROM MODULE, SMD 5962-94585
FEATURES
■ Access Times of 120, 140, 150, 200, 250, 300ns
■ Automatic Page Write Operation
■ Page Write Cycle Time: 10ms Max
■ Packaging:
■ Data Polling for End of Write Detection
■ Hardware and Software Data Protection
■ TTL Compatible Inputs and Outputs
■ 5 Volt Power Supply
• 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)
■ Built-in Decoupling Caps and Multiple Ground Pins for Low
Noise Operation
■ Weight
■ Organized as 128Kx32; User Configurable as 256Kx16 or 512Kx8
■ Write Endurance 10,000 Cycles
WE128K32-XG2TX - 8 grams typical
WE128K32-XG1UX - 5 grams typical
WE128K32-XH1X - 13 grams typical
WE128K32-XG4X - 20 grams typical
■ Data Retention Ten Years Minimum (at +25°C)
■ Commercial, Industrial and Military Temperature Ranges
■ Low Power CMOS
FIG. 1 PIN CONFIGURATION FOR WE128K32N-XH1X
PIN DESCRIPTION
TOP VIEW
1
12
23
34
45
56
I/O0-31 Data Inputs/Outputs
A0-16
WE1-4
CS1-4
OE
Address Inputs
Write Enables
Chip Selects
I/O
I/O
8
9
WE
CS
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
2
CS
4
4
I/O10
GND
I/O11
WE
Output Enable
Power Supply
A
A
A
A
13
14
15
16
A
A
6
7
I/O27
VCC
A
A
A
V
10
11
12
CC
A
A
3
4
5
3
3
A
A
A
0
1
2
GND
NC
Ground
Not Connected
NC
NC
WE
1
A
A
8
9
A
BLOCK DIAGRAM
WE1CS1
WE2CS2
WE3CS3
WE4CS4
NC
I/O
I/O
I/O
I/O
7
WE
CS
I/O23
I/O22
I/O21
I/O20
OE
0-16
A
I/O
I/O
I/O
0
CS
NC
I/O
1
6
I/O16
I/O17
I/O18
128K x 8
128K x 8
128K x 8
128K x 8
1
2
5
4
GND
I/O19
3
8
8
8
8
11
22
33
44
55
66
I/O16-23
I/O24-31
I/O0-7
I/O8-15
Nov 2000 Rev. 4
1
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com