is42s32160c Integrated Silicon Solution, Inc., is42s32160c Datasheet - Page 5

• Manufacturer Part Number: is42s32160c
• Description: 16mx32 512mb Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

IS42S32160C
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. B
01/22/09
OPERATION MODE
Fully synchronous operations are performed to latch the commands at the positive edges of CLK. Truth table shows
the operation commands.
Command
BankActivate
BankPrecharge
PrechargeAll
Write
Write and Auto Precharge Active
Read
Read and Autoprecharge
Mode Register
No-Operation
Burst Stop
Device Deselect
AutoRefresh
SelfRefresh Entry
SelfRefresh Exit
Clock Suspend Mode Entry Active
Power Down Mode Entry
Clock Suspend Mode Exit Active
Power Down Mode Exit
Data Write/Output Enable Active
Data Mask/Output Disable Active
Note:
1. V =Valid,X =Don ’t care,L =Logic low,H =Logic high
2. CKEn signal is input level when commands are provided.
3. These are states of bank designated by BS signal.
4. Device state is 1,2,4,8,and full page burst operation.
5. Power Down Mode can not enter in the burst operation.
6. DQM0-3
Truth Table
CKEn-1 signal is input level one clock cycle before the commands are provided.
When this command is asserted in the burst cycle,device state is clock suspend mode.
(1),(2)
Idle
Any
Any
Active
Active
Active
Set Idle
Any
Active
Any
Idle
Idle
Idle
(SelfRefresh)
Any
Any
(PowerDown)
State
(5)
(3)
(4)
(3)
(3)
(3)
(3)
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
L
L
H
H
CKEn-1 CKE
X
X
X
X
X
X
X
X
X
X
X
H
L
H
L
L
H
H
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
L
H
DQM
(6)
V
V
X
V
V
V
V
X
X
X
X
X
X
X
X
X
X
X
X
BS0,1
Row address
L
H
L
H
L
H
OP code
X
X
X
X
X
X
X
X
X
X
X
X
A10
Column
address
(A0 ~A8)
Column
address
(A0 ~A8)
A12, A11
A9-0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
L
L
L
L
L
L
L
L
L
L
H
L
L
H
L
X
H
L
X
H
L
X
X
CS# RAS# CAS# WE#
L
L
L
H
H
H
H
L
H
H
X
L
L
X
H
X
X
H
X
X
H
X
X
H
H
H
L
L
L
L
L
H
H
X
L
L
X
H
X
X
H
X
X
H
X
X
H
L
L
L
L
H
H
L
H
L
X
H
H
X
H
X
X
H
X
X
H
X
X
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