is42sm32800e-75bli Integrated Silicon Solution, Inc., is42sm32800e-75bli Datasheet - Page 12

• Manufacturer Part Number: is42sm32800e-75bli
• Description: 2m X 32bits X 4banks Mobile Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

Rev. 00B | Aug. 2011
Table5: Function Truth Table
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
L
L
/RAS
H
H
H
H
H
H
H
H
H
H
X
X
X
L
L
L
L
L
L
L
L
L
L
L
L
L
/CAS
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
X
L
L
L
L
X
L
L
L
L
X
/WE
H
H
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
Command
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BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
X
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
R
Row Add.
Row Add.
Row Add.
A0-A11
X
X
X
X
X
X
X
X
X
X
X
X
X
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Add
B
Bank Activate
No Operation
No Operation
Mode Register Set
Auto or Self Refresh
Precharge
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
Device Deselect
k A i
Description
IS42/45SM/RM/VM32800E
Set the Mode Register
Start Auto or Self
Refresh
No Operation
Activate the Specified
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)
Sta t Read Optional
Start Read : Optional
AP(A10=H)
No Operation
No Operation
ILLEGAL
ILLEGAL
Termination Burst :
Termination Burst :
Start the Precharge
ILLEGAL
Termination Burst :
Start Write(AP)
Terimination Burst :
Start Read(AP)
Continue the Burst
Continue the Burst
Continue the Burst
Advanced Information
Action
13,14
13,14
Note
8,9
14
13
13
5
4
4
3
3
7
4
6
6
4
8
12