HY5DU12822DFP-D43 Datasheet, PDF (8/29 Pages) Hynix Semiconductor – 512Mb DDR SDRAM

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HY5DU12822DF(P) / HY5DU121622DF(P)
SIMPLIFIED COMMAND TRUTH TABLE
Command
CKEn-1 CKEn
CS
RAS CAS
WE
ADDR
A10
/AP
BA Note
Extended Mode Register
Set
H
X
L
L
L
L
OP code
1,2
Mode Register Set
H
X
L
L
L
L
OP code
1,2
Device Deselect
H
X
X
X
H
X
X
1
No Operation
L
H
H
H
Bank Active
H
Read
H
Read with Autoprecharge
X
L
L
H
H
RA
V
1
L
1
X
L
H
L
H
CA
V
H
1,3
Write
H
Write with Autoprecharge
L
1
X
L
H
L
L
CA
V
H
1,4
Precharge All Banks
H
Precharge selected Bank
H
X 1,5
X
L
L
H
L
X
L
V
1
Read Burst Stop
H
X
L
H
H
L
X
1
Auto Refresh
H
H
L
L
L
H
X
1
Entry
H
L
L
L
L
H
1
Self Refresh
Exit
L
H
X
X
X
H
X
1
L
H
H
H
H
X
X
X
1
Entry
H
L
Precharge
Power Down
L
H
H
H
1
X
H
X
X
X
1
Mode
Exit
L
H
L
H
H
H
1
H
X
X
X
1
Active Power
Entry
H
Down Mode
L
L
V
V
V
X
1
Exit
L
H
X
1
( H=Logic High Level, L=Logic Low Level, X=Don’t Care, V=Valid Data Input, OP Code=Operand Code, NOP=No Operation )
Rev 1.0 / May 2007
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