is42vm32200g Integrated Silicon Solution, Inc., is42vm32200g Datasheet - Page 14

• Manufacturer Part Number: is42vm32200g
• Description: 512k X 32bits X 4banks Low Power Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

Table5: Function Truth Table
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
X
X
X
L
L
L
L
L
L
L
L
L
L
L
L
/CAS
H
H
H
H
H
H
H
H
X
H
X
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
H
X
X
X
L
L
L
L
L
L
L
L
L
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-A10
X
X
X
X
X
X
X
X
X
X
X
X
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
Write/Write AP
Read/Read AP
No Operation
Device Deselect
Mode Register Set
Auto or Self Refresh
Precharge
Bank Activate
Write/WriteAP
Read/Read AP
No Operation
Device Deselect
Description
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
Action
IS42VM32200G
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