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White Electronic Designs Corporation

WSE128K16-xxx Datasheet Preview

WSE128K16-xxx Datasheet

128Kx16 SRAM/EEPROM MODULE

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White Electronic Designs
www.DataSheet4U.com
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
A9 EWE1#
ED0 ECS1#
ED1 GND
A2
ED7
ED6
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 • (602) 437-1520 • www.wedc.com




White Electronic Designs Corporation

WSE128K16-xxx Datasheet Preview

WSE128K16-xxx Datasheet

128Kx16 SRAM/EEPROM MODULE

No Preview Available !

White Electronic Designs
www.DataSheet4U.com
WSE128K16-XXX
PRELIMINARY
FIGURE 2 WSE128K16-XG2TX PIN CONFIGURATION
Top View
PIN DESCRIPTION
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
GND
SD8
SD9
SD10
SD11
SD12
SD13
SD14
SD15
10 60
11 59
12 58
13 57
14 56
15 55
16 54
17 53
18 52
19 51
20 50
21 49
22 48
23 47
24 46
25 45
26 44
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
ED0
ED1
ED2
ED3
ED4
ED5
ED6
ED7
GND
ED8
ED9
ED10
ED11
ED12
ED13
ED14
ED15
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
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
8
SD0-7
8
SD8-15
8
ED0-7
8
ED8-15
0.940"
The WEDC 68 lead G2T CQFP fills the same fit and
function as the JEDEC 68 lead CQFJ or 68 PLCC. But
the G2T has the TCE and lead inspection advantage
of the CQFP form.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
March 2005
Rev. 3
2 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com


Part Number WSE128K16-xxx
Description 128Kx16 SRAM/EEPROM MODULE
Maker White Electronic Designs Corporation
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White Electronic Designs Corporation





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