IBM11S4325HP IBM11S2325HP
IBM11S4325HM IBM11S2325HM
2M/4M x 32 SO DIMM Module
Truth Table
Function
Standby
Read
Early-Write
Fast Page Mode - Read:
1st Cycle
Subsequent Cycles
Fast Page Mode - Write:
1st Cycle
Subsequent Cycles
RAS-Only Refresh
CAS-Before-RAS Refresh
Read
Hidden Refresh
Write
Self Refresh
L→H→L
H→L
L
L
H
H
Row
X
Col
X
Data In
High Impedance
RAS
H
L
L
L
L
L
L
L
H→L
L→H→L
CAS
X
L
L
H→L
H→L
H→L
H→L
H
L
L
WE
X
H
L
H
H
L
L
X
H
H
Row
Address
X
Row
Row
Row
N/A
Row
N/A
Row
X
Row
Column
Address
X
Col
Col
Col
Col
Col
Col
N/A
X
Col
All DQ bits
High Impedance
Valid Data Out
Valid Data In
Valid Data Out
Valid Data Out
Valid Data In
Valid Data In
High Impedance
High Impedance
Data Out
Presence Detect
2M x 32
Pin
PD1
PD2
PD3
PD4
PD5
PD6
PD7
1.
NC= OPEN
,
V
ss =
GND
-60 / 6R
V
SS
NC
V
SS
NC
NC
NC
V
SS
-70
V
SS
NC
V
SS
NC
V
SS
NC
V
SS
-60 / 6R
V
SS
NC
V
SS
V
SS
NC
NC
V
SS
4M x 32
-70
V
SS
NC
V
SS
V
SS
V
SS
NC
V
SS
©IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
75H1718
SA14-4471-00
Revised 4/96
Page 4 of 21
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