WE128K32-XXX
White Electronic Designs
128Kx32 EEPROM MODULE, SMD 5962-94585
FEATURES
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Page Write Cycle Time: 10ms Max
ꢀ
Access Times of 120**, 140, 150, 200, 250, 300ns
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, 22.4mm sq. CQFP (G2T), 4.57mm
(0.180") high, (Package 509)
Built-in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
ꢀ
Organized as 128Kx32; User Configurable as
256Kx16 or 512Kx8
ꢀ
Weight
ꢀ
ꢀ
ꢀ
Write Endurance 10,000 Cycles
WE128K32-XG2TX - 8 grams typical
WE128K32-XH1X - 13 grams typical
Data Retention Ten Years Minimum (at +25°C)
Commercial, Industrial and Military Temperature
Ranges
** 120ns not available for SMD product
ꢀ
ꢀ
Low Power CMOS
*This product is subject to change without notice.
Automatic Page Write Operation
FIGURE 1 – PIN CONFIGURATION FOR
WE128K32N-XH1X
Pin Description
Top View
I/O0-31
A0-16
WE1-4#
CS1-4#
OE#
Data Input/Output
Address Inputs
Write Enable
Chip Selects
Output Enable
Power Supply
Ground
1
12
23
34
45
56
I/O8
I/O9
I/O10
A13
WE2#
CS2#
GND
I/O11
A10
I/O15
I/O14
I/O13
I/O12
OE#
NC
I/O24
I/O25
I/O26
A6
VCC
CS4#
WE4#
I/O27
A3
I/O31
I/O30
I/O29
I/O28
A0
VCC
GND
NC
Not Connected
A14
A7
A15
A11
NC
A4
A1
Block Diagram
A16
A12
WE1#
I/O7
A8
A5
A2
WE1
#
CS1
#
WE2
#
CS2
#
WE3
#
CS3
#
WE4 # CS4#
NC
VCC
A9
WE3#
CS3#
GND
I/O19
I/O23
I/O22
I/O21
I/O20
OE#
A
0-16
I/O0
I/O1
I/O2
CS1#
NC
I/O6
I/O16
I/O17
I/O18
128K x 8
128K x 8
128K x 8
128K x 8
I/O5
I/O3
I/O4
8
8
8
8
11
22
33
44
55
66
I/O16-23
I/O24-31
I/O0-7
I/O8-15
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
March 2006
Rev. 10
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com