WSE128K16-35G2T Datasheet, PDF (1/15 Pages) List of Unclassifed Manufacturers – 128KX16 SRAM/EEPROM MODULE

WSE128K16-XXX
128KX16 SRAM/EEPROM MODULE PRELIMINARY*
FEATURES
s Access Times of 35ns (SRAM) and 150ns (EEPROM)
s Access Times of 45ns (SRAM) and 120ns (EEPROM)
s Access Times of 70ns (SRAM) and 300ns (EEPROM)
s Packaging
• 66 pin, PGA Type, 1.075" square HIP, Hermetic Ceramic
HIP (H1) (Package 400)
• 68 lead, Hermetic CQFP (G2T), 22mm (0.880") square
(Package 509). Designed to fit JEDEC 68 lead 0.990" CQFJ
footprint (Fig. 2)
s 128Kx16 SRAM
s 128Kx16 EEPROM
s Organized as 128Kx16 of SRAM and 128Kx16 of EEPROM
Memory with separate Data Buses
s Both blocks of memory are User Configurable as 256Kx8
s Low Power CMOS
s Commercial, Industrial and Military Temperature Ranges
s TTL Compatible Inputs and Outputs
s Built-in Decoupling Caps and Multiple Ground Pins for
Low Noise Operation
s Weight - 13 grams typical
EEPROM MEMORY FEATURES
s Write Endurance 10,000 Cycles
s Data Retention at 25°C, 10 Years
s Low Power CMOS Operation
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
* This data sheet describes a product under development, not fully
characterized, and is subject to change without notice.
FIG.1 PIN CONFIGURATION FOR WSE128K16-XH1X
PIN DESCRIPTION
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
ED0-15 EEPROM Data Inputs/Outputs
SD0-15 SRAM Data Inputs/Outputs
A0-16
Address Inputs
SWE1-2
SRAM Write Enable
SCS1-2
SRAM Chip Selects
OE
Output Enable
VCC
Power Supply
GND
Ground
A15
A11
NC
A16
A12
SWE1
NC
VCC
SD7
SD0
SCS1 SD6
SD1
NC
SD5
SD2
SD3
SD4
11
22
33
NC
A4
A1
A8
A5
A2
A9 EWE1
ED7
ED0 ECS1
ED6
ED1 GND
ED5
ED2
ED3
ED4
44
55
66
NC
EWE1-2
ECS1-2
Not Connected
EEPROM Write Enable
EEPROM Chip Select
BLOCK DIAGRAM
OE
A0-16
S W E1 S CS1
S W E2 S CS2
E W E1 E CS1
E W E2 E CS2
128K x 8
SRAM
128K x 8
SRAM
128K x 8
EEPROM
128K x 8
EEPROM
8
8
8
8
SD0-7
SD8-15
ED0-7
ED8-15
May 2001, Rev. 4
1
White Electronic Designs Corporation • [phone] • www.whiteedc.com