WS128K32XXX Datasheet, PDF (2/9 Pages) White Electronic Designs Corporation – 128Kx32 SRAM MODULE, SMD 5962-93187

White Electronic Designs
WS128K32-XXX
FIGURE 2 – PIN CONFIGURATION FOR WS128K32-XG4TX
Top View
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
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
10
60
11
59
12
58
13
57
14
56
15
55
16
54
17
53
18
52
19
51
20
50
21
49
22
48
23
47
24
46
25
45
26
44
2728 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
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
Pin Description
I/O0-31
A0-16
WE1-4#
CS1-4#
OE#
VCC
GND
NC
Data Inputs/Outputs
Address Inputs
Write Enables
Chip Selects
Output Enable
Power Supply
Ground
Not Connected
Block Diagram
WE#
OE#
A0-16
CS1#
CS2#
CS3#
128K X 8
128K X 8
128K X 8
CS4#
128K X 8
8
I/O0 - 7
8
I/O8 - 15
8
I/O16 - 23
8
I/O24 - 31
FIGURE 3 – PIN CONFIGURATION FOR WS128K32-XG2UX
TOP VIEW
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
I/O₀
I/O₁
I/O₂
I/O₃
I/O₄
I/O₅
I/O₆
I/O₇
GND
I/O₈
I/O₉
I/O
10
I/O₁₁
I/O₁₂
I/O₁₃
I/O₁₄
I/O₁₅
10
60
11
59
12
58
13
57
14
56
15
55
16
54
17
53
18
52
19
51
20
50
21
49
22
48
23
47
24
46
25
45
26
44
2728 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
I/O₁₆
I/O₁₇
I/O₁₈
I/O₁₉
I/O₂₀
I/O₂₁
I/O₂₂
I/O₂₃
GND
I/O₂₄
I/O₂₅
I/O
26
I/O₂₇
I/O₂₈
I/O₂₉
I/O₃₀
I/O₃₁
PIN DESCRIPTION
I/O0-31
A0-16
WE1-4#
CS1-4#
OE#
VCC
GND
NC
Data Inputs/Outputs
Address Inputs
Write Enables
Chip Selects
Output Enable
Power Supply
Ground
Not Connected
BLOCK DIAGRAM
OE#
A0-16
WE1# CS1#
WE2# CS2#
WE3# CS3#
128K x 8
128K x 8
128K x 8
WE4# CS4#
128K x 8
8
I/O0-7
8
I/O8-15
8
I/O16-23
8
I/O24-31
June 2004
Rev. 4
2
White Electronic Designs Corporation • [phone] • www.wedc.com