White Electronic Designs
FEATURES
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
WSF128K16-XXX
128Kx16 SRAM/FLASH MODULE, SMD 5962-96900
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
FIGURE1 PIN CONFIGURATION FOR WSF128K16-XHX AND WSF128K16-XH1X
Top View
1
SD
8
SD
9
SD
10
A
13
A
14
A
15
A
16
NC
SD
0
SD
1
SD
2
11
22
12
SWE
2
#
SCS
2
#
GND
SD
11
A
10
A
11
A
12
V
CC
SCS
1
#
NC
SD
3
33
23
SD
15
SD
14
SD
13
SD
12
OE#
NC
SWE
1
#
SD
7
SD
6
SD
5
SD
4
FD
8
FD
9
FD
10
A
6
A
7
NC
A
8
A
9
FD
0
FD
1
FD
2
44
34
V
CC
FCS
2
#
FWE
2
#
FD
11
A
3
A
4
A
5
FWE
1
#
FCS
1
#
GND
FD
3
55
45
FD
15
FD
14
FD
13
FD
12
A
0
A
1
A
2
FD
7
FD
6
FD
5
FD
4
66
OE#
A
0-16
128K x 8
SRAM
128K x 8
SRAM
128K x 8
FLASH
128K x 8
FLASH
Pin Description
56
FD0-15
SD0-15
A0-16
SWE1-2#
SCS1-2#
OE#
V
CC
GND
NC
FWE1-2#
FCS1-2#
Flash Data Inputs/Outputs
SRAM Data Inputs/Outputs
Address Inputs
SRAM Write Enable
SRAM Chip Selects
Output Enable
Power Supply
Ground
Not Connected
Flash Write Enable
Flash Chip Select
Block Diagram
S W E
1
# S CS
1
#
S W E
2
# S CS
2
#
F W E
1
# F CS
1
#
F W E
2
# F CS
2
#
8
8
8
8
SD
0-7
SD
8-15
FD
0-7
FD
8-15
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
May 2003
Rev. 6
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
