WSE128K16-XXX Datasheet, PDF (1/15 Pages) White Electronic Designs Corporation – 128Kx16 SRAM/EEPROM MODULE

White Electronic Designs
WSE128K16-XXX
PRELIMINARY*
128Kx16 SRAM/EEPROM MODULE
FEATURES
Access Times of 35ns (SRAM) and 150ns (EEPROM)
Access Times of 45ns (SRAM) and 120ns (EEPROM)
Access Times of 70ns (SRAM) and 300ns (EEPROM)
Packaging
• 66 pin, PGA Type, 1.075" square HIP, Hermetic
Ceramic HIP (H1) (Package 400)
Commercial, Industrial and Military Temperature
Ranges
TTL Compatible Inputs and Outputs
Built-in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
Weight - 13 grams typical
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)
128Kx16 SRAM
128Kx16 EEPROM
Organized as 128Kx16 of SRAM and 128Kx16 of
EEPROM Memory with separate Data Buses
Write Endurance 10,000 Cycles
Data Retention at 25°C, 10 Years
Low Power CMOS Operation
Automatic Page Write Operation
Page Write Cycle Time 10ms Max.
Data Polling for End of Write Detection
Both blocks of memory are User Configurable as
256Kx8
Hardware and Software Data Protection
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
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
PIN DESCRIPTION
ED0-15
SD0-15
A0-16
SWE#1-2
SCS#1-2
OE#
VCC
GND
NC
EWE#1-2
ECS#1-2
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
A16
A12
SWE#1
NC
VCC
SD7
SD0
SCS1# SD6
SD1
NC
SD5
A8
A5
A2
A9 EWE1#
ED7
ED0 ECS1#
ED6
ED1
GND
ED5
BLOCK DIAGRAM
OE#
A0-16
SWE1# SCS1#
SWE2# SCS2#
EWE1# ECS1#
EWE2# ECS2#
128K x 8
SRAM
128K x 8
SRAM
128K x 8
EEPROM
128K x 8
EEPROM
SD2
SD3
SD4
11
22
33
ED2
ED3
ED5
44
55
66
8
SD0-7
8
SD8-15
8
ED0-7
8
ED8-15
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
March 2005
Rev. 3
1
White Electronic Designs Corporation • [phone] • www.wedc.com