White Electronic Designs
FIGURE 2 WSE128K16-XG2TX PIN CONFIGURATION
Top View
NC
A
0
A
1
A
2
A
3
A
4
A
5
ECS
1
#
GND
ECS
2
#
SWE
1
#
A
6
A
7
A
8
A
9
A
10
V
CC
WSE128K16-XXX
PRELIMINARY
PIN DESCRIPTION
ED
0-15
SD
0-15
A
0-16
SWE#
1-2
SCS#
1-2
OE#
V
CC
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
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
SD
0
SD
1
SD
2
SD
3
SD
4
SD
5
SD
6
SD
7
GND
SD
8
SD
9
SD
10
SD
11
SD
12
SD
13
SD
14
SD
15
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
A
16
SCS
1
#
OE#
SCS
2
#
NC
SWE
2
#
EWE
1
#
EWE
2
#
NC
NC
NC
A
12
A
13
A
14
V
CC
A
15
A
11
ED
0
ED
1
ED
2
ED
3
ED
4
ED
5
ED
6
ED
7
GND
ED
8
ED
9
ED
10
ED
11
ED
12
ED
13
ED
14
ED
15
OE#
A
0-16
BLOCK DIAGRAM
SWE
1
# SCS
1
#
SWE
2
# SCS
2
#
EWE
1
# ECS
1
#
EWE
2
# ECS
2
#
128K x 8
SRAM
128K x 8
SRAM
128K x 8
EEPROM
128K x 8
EEPROM
8
8
8
8
SD
0 - 7
SD
8 - 1 5
ED
0 - 7
ED
8 - 1 5
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
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
