HY5S5B2BLF-6E Datasheet, PDF (24/54 Pages) Hynix Semiconductor – 256M (8Mx32bit) Mobile SDRAM

11
256Mbit (8Mx32bit) Mobile SDR Memory
HY5S5B2BLF(P) Series
CKE Enable(CKE) Truth TABLE (Sheet 2 of 1)
CKE
Command
Current
State
Previous Current
Cycle Cycle
CS
RAS CAS
WE
BA0,
BA1
A11-
A0
Action
H
X
X
X
X
X
X
X INVALID
L
H
H
X
X
X
X
X
Exit Self Refresh with
Device Deselect
L
Self
Refresh
L
H
LH HHX
X
Exit Self Refresh with
No Operation
H
LH HL X
X ILLEGAL
L
H
L
H
L
X
X
X ILLEGAL
L
H
L
L
X
X
X
X ILLEGAL
L
L
X
X
X
X
X
X Maintain Self Refresh
H
X
X
X
X
X
X
X INVALID
L
Power
Down
L
H
H
X
X
X
X
LH HHX
X _{Power Down mode exit,}
X ^{all banks idle}
L
X
X
X
X
H
LX
LXX
X ILLEGAL
X
X
L
X
X
L
L
X
X
X
X
X
X Maintain Power Down Mode
H
X
X
X
X
X
X
X INVALID
Deep
Power
L
Down
L
H
X
X
X
X
X
X
Deep Power
Down mode exit
L
X
X
X
X
X
X
Maintain Deep
Power Down Mode
Notes
1
2
2
2
2
2
1
2
2
1
5
Rev 1.0 / Apr. 2006
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