is42vm32400f Integrated Silicon Solution, Inc., is42vm32400f Datasheet - Page 13

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

Rev.00A
Table5: Function Truth Table
Precharge
Precharge
Current
State
Write
Write
Read
Auto
Auto
with
with
/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
L
L
L
L
X
L
L
L
L
X
L
L
L
L
/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
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-A11
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/WriteAP
Read/ReadAP
No Operation
Device Deselect
Mode Register Set
Auto or Self Refresh
Precharge
Bank Activate
Write/WriteAP
Read/ReadAP
No Operation
Device Deselect
Description
ILLEGAL
ILLEGAL
Termination Burst :
Start the Precharge
ILLEGAL
Termination Burst :
Start Write(AP)
Terimination Burst :
Start READ(AP)
Continue the Burst
Continue the Burst
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Continue the Burst
Continue the Burst
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Continue the Burst
Continue the Burst
Action
Advanced Information
IS42VM32400F
Note
13,14
13,14
13,14
4,12
4,12
4,12
4,12
8,9
12
12
13
10
13
13
12
12
4
8
13