W9812G6JH Datasheet, PDF (34/42 Pages) Winbond – 2M × 4 BANKS × 16 BITS SDRAM

W9812G6JH
11.14 Power Down Mode
CLK
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 16
17
18
19
20
21
22
23
CS
RAS
CAS
WE
BS
A10
RAa
RAa
A0-A9,
RAa
CAa
A11
RAa
CAx
DQM
CKE
DQ
tSB
tCKS
tCKS
tSB
tCKS
ax0 ax1
ax2
ax3
tCKS
Active
NOP Read
Precharge
NOP Active
Active Standby
Power Down mode
Precharge Standby
Power Down mode
Note: The PowerDown Mode is entered by asserting CKE "low".
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. 08, 2010
Revision A04