HY5S7B2ALFP-6 Datasheet, PDF (23/53 Pages) Hynix Semiconductor – 512M (16Mx32bit) Mobile SDRAM

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512Mbit (16Mx32bit) Mobile SDR Memory
HY5S7B2ALF(P) Series
CKE Enable(CKE) Truth TABLE (Sheet 2 of 1)
Current
State
CKE
Command
Previ-
ous Cy-
cle
Current
Cycle
CS
RAS
CAS
WE
BA0,
BA1
Amax
-A0
Action
Notes
H
X
XX XXX
X INVALID
1
L
H
HX XXX
X
Exit Self Refresh with
Device Deselect
2
Self
L
H
LH HHX
X
Exit Self Refresh with
No Operation
2
Refresh
L
H
LH HL X
X ILLEGAL
2
L
H
LH
LXX
X ILLEGAL
2
L
H
L
L
X
X
X
X ILLEGAL
2
L
L
XX XXX
X Maintain Self Refresh
H
X
XX XXX
X INVALID
1
L
H
HX XXX
LH HHX
X _{Power Down mode exit,}
X ^{all banks idle}
2
Power
Down
L
X
X
X
X
L
H
LX
LXX
X ILLEGAL
2
X XLX
X
L
L
XX XXX
X Maintain Power Down Mode
H
X
XX XXX
X INVALID
1
Deep
Power
L
H
XX XXX
X
Deep Power
Down mode exit
5
Down
L
L
XX XXX
X
Maintain Deep
Power Down Mode
Rev 1.2 / Nov. 2008
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