IS42S16100-10TI ISSI [Integrated Silicon Solution, Inc], IS42S16100-10TI Datasheet - Page 13

• Manufacturer Part Number: IS42S16100-10TI
• Description: 512K Words x 16 Bits x 2 Banks (16-MBIT) SYNCHRONOUS DYNAMIC RAM
• Manufacturer: ISSI [Integrated Silicon Solution, Inc]

IS42S16100
DQM TRUTH TABLE
Integrated Silicon Solution, Inc. — www.issi.com —
Rev. C
11/01/01
CKE TRUTH TABLE
COMMAND TRUTH TABLE
Symbol
ENB
MASK
ENBU
ENBL
MASKU
MASKL
Symbol Command
SPND
—
—
REF
SELF
SELFX Terminate Self-Refresh Mode
PDWN
—
Symbol Command
MRS
REF
SREF
PRE
PALL
ACT
WRIT
WRITA
READ
READA
BST
NOP
DESL
SBY
ENB
MASK
Start Clock Suspend Mode
Clock Suspend
Terminate Clock Suspend Mode Clock Suspend
Auto-Refresh
Start Self-Refresh Mode
Start Power-Down Mode
Terminate Power-Down Mode
Command
Data Write / Output Enable
Data Mask / Output Disable
Upper Byte Data Write / Output Enable
Lower Byte Data Write / Output Enable
Upper Byte Data Mask / Output Disable
Lower Byte Data Mask / Output Disable
Self-Refresh
Mode Register Set
Auto-Refresh
Precharge Selected Bank
Precharge Both Banks
Bank Activate
Write
Write With Auto-Precharge
Read
Read With Auto-Precharge
Burst Stop
No Operation
Device Deselect
Clock Suspend / Standby Mode
Data Write / Output Enable
Data Mask / Output Disable
(8)
(1,2)
(1,2)
(9)
(5,6)
(5)
(7)
(3,4)
(1,2)
(8)
(8)
Current State
Active
Other States
Idle
Idle
Self-Refresh
Idle
Power-Down
n-1
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
1-800-379-4774
CKE
n-1
H
H
H
H
H
H
n
X
H
X
X
X
X
X
X
X
X
X
X
X
X
X
L
CKE
CS
CS RAS
CS
CS
CS
H
X
X
X
L
L
L
L
L
L
L
L
L
L
L
L
n
n-1
X
X
X
X
X
X
H
H
H
H
H
L
L
L
L
L
RAS
RAS
RAS CAS
RAS
CKE
H
H
H
H
H
H
X
X
X
X
L
L
L
L
L
L
n
H
H
H
H
H
L
L
L
L
L
CAS
CAS
CAS
CAS WE
UPPER
H
H
H
H
H
X
X
X
X
L
L
L
L
L
L
L
CS
CS
CS
CS
CS RAS
H
X
H
X
L
L
X
X
X
H
H
X
L
L
L
L
WE
WE
WE DQM A11 A10
WE
DQM
H
H
H
H
H
H
X
X
X
X
L
L
L
L
L
L
RAS
RAS
RAS
RAS CAS
X
X
X
H
X
H
X
X
L
L
LOWER
X
X
X
X
X
X
X
X
X
X
X
X
X
X
H
L
CAS
CAS
CAS
CAS WE
H
X
X
H
L
L
X
X
X
H
X
H
X
X
L
L
BS
BS
BS
BS
BS
BS
X
X
X
X
X
X
X
X
X
WE
WE
WE
WE A11 A10 A9-A0
OP CODE
X
X
X
H
H
H
X
H
X
X
Row
X
X
H
H Column
H Column
X
X
X
X
X
X
L
L Column
L Column
X
X
X
X
X
X
X
X
X
X
ISSI
A9-A0
Row
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
(18)
(18)
(18)
(18)
HIGH-Z
HIGH-Z
HIGH-Z
X
X
X
X
X
X
X
X
X
X
Active
I/On
X
X
X
X
X
X
X
X
X
X
X
X
13
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