is42vm32400f Integrated Silicon Solution, Inc., is42vm32400f Datasheet - Page 12

• Manufacturer Part Number: is42vm32400f
• Description: 1m X 32bits X 4banks Mobile Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

Table5: Function Truth Table
Rev.00A
Current
State
Active
Read
Row
Idle
/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
X
H
H
H
X
H
H
H
X
L
L
L
L
L
L
L
L
L
L
L
L
/CAS
H
H
H
H
H
H
H
H
H
X
X
X
L
L
L
L
L
L
L
L
L
L
L
L
/WE
H
H
H
H
H
H
H
H
X
H
H
H
H
L
L
L
X
L
L
L
L
L
L
X
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
Mode Register Set
Auto or Self Refresh
Precharge
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
Write/Write AP
Read/Read AP
No Operation
Bank Activate
Write/WriteAP
Read/Read AP
No Operation
Device Deselect
Description
Set the Mode Register
Start Auto or Self
Refresh
No Operation
Activate the Specified
Bank and Row
ILLEGAL
ILLEGAL
No Operation
No Operation or Power
Down
ILLEGAL
ILLEGAL
Precharge
ILLEGAL
Start Write : Optional
AP(A10=H)
Start Read : Optional
AP(A10=H)
No Operation
No Operation
ILLEGAL
ILLEGAL
Termination Burst :
Start the Precharge
ILLEGAL
Termination Burst :
Start Write(AP)
Terimination Burst :
Start Read(AP)
Continue the Burst
Continue the Burst
Action
Advanced Information
IS42VM32400F
Note
13,14
13,14
8,9
14
13
13
5
4
4
3
3
7
4
6
6
4
8
12