IS42S81600D, IS42S16800D
PIN CONFIGURATIONS
54 pin TSOP - Type II for x8
V
DD
1
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
VSS
DQ0
2
DQ7
V
DD
Q
3
VSSQ
NC
DQ1
4
NC
DQ6
5
V
SS
Q
6
VDDQ
NC
DQ2
7
NC
DQ5
8
V
DD
Q
9
VSSQ
NC
DQ3
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
NC
DQ4
V
SS
Q
VDDQ
NC
NC
V
DD
NC
WE
VSS
NC
DQM
CLK
CKE
NC
A11
A9
CAS
RAS
CS
BA0
BA1
A10
A0
A8
A7
A1
A6
A2
A5
A3
A4
VDD
VSS
PIN DESCRIPTIONS
A0-A11
A0-A9
BA0, BA1
DQ0 to DQ7
CLK
Row Address Input
Column Address Input
Bank Select Address
Data I/O
WE
WriteEnable
DQM
VDD
Data Input/Output Mask
Power
Vss
VDDQ
VssQ
NC
Ground
System Clock Input
Clock Enable
Power Supply for I/O Pin
Ground for I/O Pin
NoConnection
CKE
CS
Chip Select
RAS
RowAddressStrobeCommand
ColumnAddressStrobeCommand
CAS
Integrated Silicon Solution, Inc. — www.issi.com
3
Rev. E
07/28/08
ISSI [ INTEGRATED SILICON SOLUTION, INC ]
