
1
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
WSF2816-39XX
May 2003
Rev. 6
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
128K
X
16 SRAM/512K
X
16 FLASH MODULE
FEATURES
Access Times of 35ns (SRAM) and 90ns (FLASH)
Packaging
66 pin, PGA Type, 1.075" square HIP, Hermetic
Ceramic HIP (Package 400)
68 lead, Hermetic CQFP (G2U), 22.4mm (0.880")
square (Package 510) 3.56mm (0.140") height.
Designed to fit JEDEC 68 lead 0.990” CQFJ
footprint (FIGURE 2)
128Kx16 SRAM
512Kx16 5V FLASH
Organized as 128Kx16 of SRAM and 512Kx16 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
TTL Compatible Inputs and Outputs
Built-in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
Weight:
WSF2816-39G2UX - 8 grams typical
WSF2816-39H1X - 13 grams typical
FLASH MEMORY FEATURES
100,000 Erase/Program Cycles
Sector Architecture
8 equal size sectors of 64K 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
Note: For programming information refer to Flash Programming 4M5 Application Note.
1SRAM
1SRAM
FLASH
FLASH
8
SD
0-7
SWE
1
# SCS
1
#
SWE
2
# SCS
2
#
FWE
1
# FCS
1
#
FWE
2
# FCS
2
#
8
SD
8-15
8
FD
0-7
8
FD
8-15
A
0-16
OE#
Block Diagram
Pin Description
Flash Data Inputs/Outputs
SRAM Data Inputs/Outputs
Address Inputs
SWE
1-2
#
SRAM Write Enable
SCS
1-2
#
SRAM Chip Selects
OE#
Output Enable
V
CC
Power Supply
GND
Ground
NC
Not Connected
FWE
1-2
#
Flash Write Enable
FCS
1-2
#
Flash Chip Select
FD
0-15
SD
0-15
A
0-18
SD
8
SD
9
SD
10
A
13
A
14
A
15
A
16
A
18
SD
0
SD
1
SD
2
SWE
2
#
SCS
2
#
GND
SD
11
A
10
A
11
A
12
V
CC
SCS
1
#
NC
SD
3
SD
15
SD
14
SD
13
SD
12
OE#
A
17
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
V
CC
FCS
2
#
FWE
2
#
FD
11
A
3
A
4
A
5
FWE
1
#
FCS
1
#
GND
FD
3
FD
15
FD
14
FD
13
FD
12
A
0
A
1
A
2
FD
7
FD
6
FD
5
FD
4
11 22 33 44 55 66
1 12 23 34 45 56
FIGURE1 – PIN CONFIGURATION
FOR WSF2816-39H1X