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1
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
WSF128K16-XXX
May 2003
Rev. 6
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
128Kx16 SRAM/FLASH MODULE, SMD 5962-96900
Access Times of 35ns (SRAM) and 70ns (FLASH)
Access Times of 70ns (SRAM) and 120ns (FLASH)
Packaging
66-pin, PGA Type, 1.075 inch square HIP,
Hermetic Ceramic HIP (Package 400)
66-pin, PGA Type, 1.185 inch square HIP,
Hermetic Ceramic HIP (Package 401)
68 lead, Hermetic CQFP (G1U)
1
, 22.4mm (0.880
inch) square (Package 519). Designed to fit
JEDEC 68 lead 0.990” CQFJ footprint (FIGURE 2)
68 lead, Hermetic CQFP (G1T), 22.4mm (0.880
inch) square (Package 524)
128Kx16 SRAM
128Kx16 5V FLASH
Organized as 128Kx16 of SRAM and 128Kx16 of
Flash Memory with separate Data Buses
Both blocks of memory are User Configurable as
256Kx8
Low Power CMOS
Commercial, Industrial and Military Temperature
Ranges
FIGURE1 PIN CONFIGURATION FOR WSF128K16-XHX AND WSF128K16-XH1X
TTL Compatible Inputs and Outputs
Built-in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
Weight
WSF128K16-XHX — 13 grams typical
WSF128K16-H1X — 13 grams typical
WSF128K16-XG1UX
1
— 5 grams typical
WSF128K16-XG1TX — 5 grams typical
FLASH MEMORY FEATURES
10,000 Erase/Program Cycles
Sector Architecture
8 equal size sectors of 16K bytes each
Any combination of sectors can be concurrently
erased. Also supports full chip erase
5 Volt Programming; 5V ± 10% Supply
Embedded Erase and Program Algorithms
Hardware Write Protection
Page Program Operation and Internal Program
Control Time.
Note: For programming information refer to Flash Programming 1M5 Application Note.
Note 1: Package not recommended for new designs
Block Diagram
SWE
1
# SCS
1
#
SWE
2
# SCS
2
#
Pin Description
FD0-15
Flash 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
V
CC
Power Supply
GND
Ground
NC
Not Connected
FWE1-2#
Flash Write Enable
FCS1-2#
Flash Chip Select
Top View
1
12
23
34
45
56
11
22
33
44
55
66
FD
8
FD
9
FD
10
A
6
A
7
NC
A
8
A
9
FD
0
FD
1
FD
2
FD
15
FD
14
FD
13
FD
12
A
0
A
1
A
2
FD
7
FD
6
FD
5
FD
4
SD
15
SD
14
SD
13
SD
12
OE#
NC
SWE
1
#
SD
7
SD
6
SD
5
SD
4
SWE
2
#
SCS
2
#
GND
SD
11
A
10
A
11
A
12
V
CC
SCS
1
#
NC
SD
3
V
CC
FCS
2
#
FWE
2
#
FD
11
A
3
A
4
A
5
FWE
1
#
FCS
1
#
GND
FD
3
SD
8
SD
9
SD
10
A
13
A
14
A
15
A
16
NC
SD
0
SD
1
SD
2
SRAM
1SRAM
FLASH
128K x 8
FLASH
8
SD
0-7
FWE
1
# FCS
1
#
FWE
2
# FCS
2
#
8
SD
8-15
8
FD
0-7
8
FD
8-15
A
0-16
OE#