11
1Gbit (32Mx32bit) Mobile SDR Memory
H55S1G(2/3)2MFP Series
CKE Enable(CKE) Truth TABLE (Sheet 2 of 1)
CKE
Command
Current
State
Previ-
ous Cy-
cle
Action
Notes
Current
Cycle
BA0, Amax
CS RAS CAS WE
BA1
-A0
H
L
X
X
X
X
X
X
X
X
X
X
INVALID
1
2
Exit Self Refresh with
Device Deselect
H
H
X
X
Exit Self Refresh with
No Operation
L
H
L
H
H
H
X
X
2
Self
Refresh
L
L
H
H
H
L
L
L
H
H
L
H
L
L
X
X
X
X
X
H
X
X
L
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
ILLEGAL
2
2
2
ILLEGAL
L
L
X
X
X
X
H
X
L
ILLEGAL
L
X
X
H
L
X
X
X
H
L
Maintain Self Refresh
INVALID
H
X
1
2
Power Down mode exit,
all banks idle
L
L
H
H
Power
Down
L
X
X
X
X
ILLEGAL
2
X
X
X
L
L
X
X
X
X
Maintain Power Down Mode
INVALID
H
X
1
5
Deep
Power
Down
Deep Power
Down mode exit
L
L
H
L
X
X
X
X
X
X
X
X
X
X
X
X
Maintain Deep
Power Down Mode
Rev 1.2 / Jun. 2008
23
HYNIX [ HYNIX SEMICONDUCTOR ]
