®
IS42S81600A, IS42S16800A, IS42S32400A
IS42LS81600A, IS42LS16800A, IS42LS32400A
ISSI
PIN CONFIGURATIONS
86 pin TSOP - Type II for x32
V
DD
1
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
VSS
I/O0
2
I/O15
V
DD
Q
3
VSSQ
I/O1
I/O2
4
I/O14
I/O13
5
V
SS
Q
6
VDDQ
I/O3
I/O4
7
I/O12
I/O11
8
V
DD
Q
9
VSSQ
I/O5
I/O6
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
I/O10
I/O9
V
SS
Q
VDDQ
I/O7
NC
I/O8
NC
V
DD
VSS
DQM0
WE
DQM1
NC
CAS
RAS
CS
NC
CLK
CKE
A9
A11
BA0
BA1
A10
A0
A8
A7
A6
A5
A1
A4
A2
A3
DQM2
DQM3
VDD
VSS
NC
NC
I/O16
I/O31
V
SS
Q
VDDQ
I/O17
I/O18
I/O30
I/O29
V
DD
Q
VSSQ
I/O19
I/O20
I/O28
I/O27
V
SS
Q
VDDQ
I/O21
I/O22
I/O26
I/O25
V
DD
Q
VSSQ
I/O23
I/O24
V
DD
VSS
PIN DESCRIPTIONS
A0-A11
A0-A8, A10
BA0, BA1
I/O0 to I/O31
CLK
Row Address Input
WE
WriteEnable
Column Address Input
Bank Select Address
Data I/O
DQM0-DQM3
VDD
x32 Input/Output Mask
Power
Vss
Ground
System Clock Input
Clock Enable
VDDQ
Power Supply for I/O Pin
Ground for I/O Pin
NoConnection
CKE
VssQ
NC
CS
Chip Select
RAS
RowAddressStrobeCommand
ColumnAddressStrobeCommand
CAS
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
ADVANCEDINFORMATION Rev. 00A
7
06/01/02