W989D6CB Datasheet, PDF (53/67 Pages) Winbond – 512Mb Mobile LPSDR

W989D6CB / W989D2CB
10.13 Power Down Mode
512Mb Mobile LPSDR
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
CLK
CS
RAS
CAS
WE
BA
A10
RAa
RAa
Address ^RAa
CAa
RAa
CAx
DQM
CKE
DQ
tSB
tCKS
tCKS
tSB
tCKS
tCKS
ax0 ax1
ax2
ax3
Active
DSL
Power Down MPoodweer Down Mode
Entry
Exit
Precharge
&
Power Down Mode Entry
Active
Device Deselect
Note: The PowerDown Mode is entered by asserting CKE "low".
Power Down Mode Exit
All Input/Output buffers (except CKE buffers) are turned off in the Power Down mode.
When CKE goes high, command input must be No operation at next CLK rising edge.
Violating refresh requirements during power-down may result in a loss of data.
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Publication Release Date: Sep, 22, 2011
Revision A01-005