參數(shù)資料
型號(hào): WS128K32-70G4TQ
廠商: WHITE ELECTRONIC DESIGNS CORP
元件分類: SRAM
英文描述: 128K X 32 MULTI DEVICE SRAM MODULE, 70 ns, CQFP68
封裝: 40 MM, 3.56 MM HEIGHT, CERAMIC, QFP-68
文件頁數(shù): 2/9頁
文件大?。?/td> 379K
代理商: WS128K32-70G4TQ
2
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
WS128K32-XXX
June 2004
Rev. 4
FIGURE 2 – PIN CONFIGURATION FOR WS128K32-XG4TX
FIGURE 3 – PIN CONFIGURATION FOR WS128K32-XG2UX
TOP VIEW
PIN DESCRIPTION
BLOCK DIAGRAM
Top View
Pin Description
Block Diagram
128K X 8
88
128K X 8
WE#
OE#
A0-16
CS1#CS2#CS3#CS4#
I/O0 - 7
I/O8 - 15
I/O16 - 23
I/O24 - 31
WE1#CS1#CS2#CS3#CS4#
WE4#
WE3#
WE2#
128K x 8
OE#
A0-16
I/O0-7
I/O24-31
I/O16-23
I/O8-15
88
8
I/O
0
I/O
1
I/O
2
I/O
3
I/O
4
I/O
5
I/O
6
I/O
7
GND
I/O
8
I/O
9
I/O
10
I/O
11
I/O
12
I/O
13
I/O
14
I/O
15
I/O
16
I/O
17
I/O
18
I/O
19
I/O
20
I/O
21
I/O
22
I/O
23
GND
I/O
24
I/O
25
I/O
26
I/O
27
I/O
28
I/O
29
I/O
30
I/O
31
V
CC
A
11
A
12
A
13
A
14
A
15
A
16
CS
1
#
OE#
CS
2
#
NC
WE
2
#
WE
3
#
WE
4
#
NC
A
0
A
1
A
2
A
3
A
4
A
5
CS
3
#
GND
CS
4
#
WE
1
#
A
6
A
7
A
8
A
9
A
10
V
CC
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
9
8 7
6 5
4
3 2
1 68 67 66 65 64 63 62 61
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
GND
I/O8
I/O9
I/O10
I/O11
I/O12
I/O13
I/O14
I/O15
I/O16
I/O17
I/O18
I/O19
I/O20
I/O21
I/O22
I/O23
GND
I/O24
I/O25
I/O26
I/O27
I/O28
I/O29
I/O30
I/O31
V
CC
A
11
A
12
A
13
A
14
A
15
A
16
CS
2
#
OE#
CS
4
#
NC
A
0
A
1
A
2
A
3
A
4
A
5
CS
1
#
GND
CS
3
#
WE
1
#
A
6
A
7
A
8
A
9
A
10
V
CC
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
9
8 7
6 5
4
3 2
1 68 67 66 65 64 63 62 61
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
I/O0-31
Data Inputs/Outputs
A0-16
Address Inputs
WE1-4#
Write Enables
CS1-4#
Chip Selects
OE#
Output Enable
VCC
Power Supply
GND
Ground
NC
Not Connected
I/O0-31
Data Inputs/Outputs
A0-16
Address Inputs
WE1-4#
Write Enables
CS1-4#
Chip Selects
OE#
Output Enable
VCC
Power Supply
GND
Ground
NC
Not Connected
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