White Electronic Designs
WSE128K16-XXX
PRELIMINARY*
128Kx16 SRAM/EEPROM MODULE
Commercial, Industrial and Military Temperature
Ranges
FEATURES
Access Times of 35ns (SRAM) and 150ns (EEPROM)
TTL Compatible Inputs and Outputs
Access Times of 45ns (SRAM) and 120ns (EEPROM)
Built-in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
Access Times of 70ns (SRAM) and 300ns (EEPROM)
Packaging
Weight - 13 grams typical
• 66 pin, PGA Type, 1.075" square HIP, Hermetic
Ceramic HIP (H1) (Package 400)
EEPROM MEMORY FEATURES
• 68 lead, Hermetic CQFP (G2T), 22mm (0.880")
square (Package 509). Designed to fit JEDEC 68
lead 0.990" CQFJ footprint (FIGURE 2)
Write Endurance 10,000 Cycles
Data Retention at 25°C, 10 Years
Low Power CMOS Operation
128Kx16 SRAM
Automatic Page Write Operation
128Kx16 EEPROM
Page Write Cycle Time 10ms Max.
Organized as 128Kx16 of SRAM and 128Kx16 of
EEPROM Memory with separate Data Buses
Data Polling for End of Write Detection
Hardware and Software Data Protection
Both blocks of memory are User Configurable as
256Kx8
TTL Compatible Inputs and Outputs
Low Power CMOS
* This product is under development, is not qualified or characterized and is subject to
change without notice.
FIGURE 1 – WSE128K16-XH1X PIN
CONFIGURATION
PIN DESCRIPTION
ED0-15
SD0-15
A0-16
SWE#1-2
SCS#1-2
OE#
VCC
GND
NC
EWE#1-2
ECS#1-2
Top View
1
12
23
34
45
56
SD8
SWE2#
SD15
ED8
VCC
ED15
SD9
SCS2#
SD14
ED9
ECS2#
ED14
SD10
GND
SD13
ED10
EWE2#
ED13
A13
SD11
SD12
A6
ED11
ED12
A14
A10
OE#
A7
A3
A0
A15
A11
NC
NC
A4
A1
A16
A12
SWE#1
A8
A5
A2
NC
VCC
SD7
A9
EWE1#
ED7
SD0
SCS1#
SD6
ED0
ECS1#
NC
SD5
ED1
GND
SD3
SD4
ED2
ED3
SWE 2 # SCS 2 #
EWE 1 # ECS 1 #
EWE 2 # ECS 2 #
128K x 8
EEPROM
128K x 8
EEPROM
OE#
A0-16
ED5
SD2
BLOCK DIAGRAM
SWE 1 # SCS 1 #
ED6
SD1
EEPROM Data Inputs/Outputs
SRAM Data Inputs/Outputs
Address Inputs
SRAM Write Enable
SRAM Chip Selects
Output Enable
Power Supply
Ground
Not Connected
EEPROM Write Enable
EEPROM Chip Select
ED5
128K x 8
SRAM
128K x 8
SRAM
22
33
44
55
8
8
8
8
SD 0 - 7
11
SD 8 - 1 5
ED 0 - 7
ED 8 - 1 5
66
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
March 2005
Rev. 3
1
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
