is42s16128 Integrated Silicon Solution, Inc., is42s16128 Datasheet - Page 13

• Manufacturer Part Number: is42s16128
• Description: 128k Words Bits Banks Sdram
• Manufacturer: Integrated Silicon Solution, Inc.

OPERATION COMMAND TABLE
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. A
03/13/00
IS42S16128
Current State Command
Idle
Row Active
Read
Write
Read With
Auto-
Precharge
DESL
NOP
BST
READ / READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
Operation
No Operation or Power-Down
No Operation or Power-Down
No Operation or Power-Down
Illegal
Illegal
Row Active
No Operation
Auto-Refresh or Self-Refresh
Mode Register Set
No Operation
No Operation
No Operation
Read Start
Write Start
Illegal
Precharge
Illegal
Illegal
Burst Read Continues, Row Active When Done
Burst Read Continues, Row Active When Done
Burst Interrupted, Row Active After Interrupt
Burst Interrupted, Read Restart After Interrupt
Burst Interrupted Write Start After Interrupt
Illegal
Burst Read Interrupted, Precharge After Interrupt
Illegal
Illegal
Burst Write Continues, Write Recovery When Done
Burst Write Continues, Write Recovery When Done
Burst Write Interrupted, Row Active After Interrupt
Burst Write Interrupted, Read Start After Interrupt
Burst Write Interrupted, Write Restart After Interrupt
Illegal
Burst Write Interrupted, Precharge After Interrupt
Illegal
Illegal
Burst Read Continues, Precharge When Done
Burst Read Continues, Precharge When Done
Illegal
Illegal
Illegal
Illegal
Illegal
Illegal
Illegal
(10)
(10)
(10)
(10)
(10)
(1,2)
(15)
(17)
(17)
(13)
(12)
(12)
(11,16)
(16)
(11,16)
(16)
CS
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
RAS CAS WE
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
A9
ISSI
X
X
X
V
V
V
V
X
X
X
X
V
V
V
V
X
X
X
X
V
V
V
V
X
X
X
X
V
V
V
V
X
X
X
X
V
V
V
V
X
OP CODE
OP CODE
OP CODE
OP CODE
OP CODE
A8 A7-A0
X
X
V
V
V
X
X
V
V
V
V
X
X
V
V
V
X
X
V
V
V
V
X
X
V
V
V
X
X
V
X
X
X
X
V
X
X
X
X
V
X
X
X
V
V
V
X
X
X
X
X
V
V
V
X
X
X
X
X
V
V
V
X
X
X
X
X
V
V
V
X
X
X
X
X
V
V
V
X
X
13
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