is42sm16800g-6bli Integrated Silicon Solution, Inc., is42sm16800g-6bli Datasheet - Page 14

• Manufacturer Part Number: is42sm16800g-6bli
• Description: 2m X 16bits X 4banks Mobile Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

Table5: Function Truth Table
Rev. 00A | Dec. 2010
Precharging
Recovering
Activating
Current
State
Write
Row
/CS
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
/RAS
H
H
H
H
H
H
H
H
H
L
L
L
L
X
L
L
L
L
X
L
L
L
L
X
/CAS
H
H
H
X
H
H
H
X
H
H
H
X
L
L
L
L
L
L
L
L
L
L
L
L
/WE
H
H
H
H
H
H
H
H
H
H
H
X
H
X
X
L
L
L
L
L
L
L
L
L
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Command
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
X
X
X
X
X
X
X
X
X
OP CODE
OP CODE
OP CODE
Col Add./ A10
Col Add./ A10
Col Add./A10
Col Add./A10
Col Add./A10
Col Add./A10
Row Add.
Row Add.
Row Add.
A0-A11
X
X
X
X
X
X
X
X
X
X
X
X
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Write/Write AP
Device Deselect
Mode Register Set
Auto or Self Refresh
Precharge
Bank Activate
Write/WriteAP
Read/ReadAP
No Operation
Device Deselect
Mode Register Set
Auto or Self Refresh
Precharge
Bank Activate
Read/Read AP
No Operation
Device Deselect
Mode Register Set
Auto or Self Refresh
Precharge
Bank Activate
Write/WriteAP
Read/Read AP
No Operation
Description
IS42SM/RM/VM16800G
ILLEGAL
ILLEGAL
No Operation : Bank(s)
Idle after tRP
ILLEGAL
ILLEGAL
ILLEGAL
No Operation : Bank(s)
Idle after tRP
No Operation : Bank(s)
Idle after tRP
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
No Operation : ROw
Active after tRCD
No Operation : ROw
Active after tRCD
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Start Write : Optional
AP(A10=H)
Start Write : Optional
AP(A10=H)
No Operation : Row
Active after tDPL
No Operation : Row
Active after tDPL
Advanced Information
Action
4,11,12
13,14
13,14
13,14
Note
4,12
4,12
4,12
4,12
4,12
4,12
4,13
4,12
13
13
13
9
14