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W9725G6KB25A Datasheet(HTML) 83 Page - Winbond

Part No. W9725G6KB25A
Description  DLL aligns DQ and DQS transitions with clock, Data masks (DM) for write data, Write Data Mask
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Maker  WINBOND [Winbond]
Homepage  http://www.winbond.com
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W9725G6KB25A Datasheet(HTML) 83 Page - Winbond

Back Button W9725G6KB25A Datasheet HTML 83Page - Winbond  
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W9725G6KB
Publication Release Date: Sep. 03, 2012
- 83 -
Revision A03
11.27
Burst write with Auto-precharge (WR + tRP Limit): WL=4, WR=2, BL=4,
tRP=3
≥ tRC
WL = RL - 1 = 4
≥ WR
tRP min.
NOP
NOP
NOP
NOP
NOP
NOP
NOP
Post CAS
WRA Bank A
Bank A
Activate
T0
T3
T4
T5
T6
T7
T8
T9
Completion of the Burst Write
Auto-precharge Begins
A10 = 1
CLK/CLK
CMD
DQS,
DQS
T11
DQ's
DIN
A0
DIN
A1
DIN
A2
DIN
A3
11.28
Self Refresh Timing
T0
T1
T2
T3
T4
T5
T6
Tm
Tn
Self
Refresh
NOP
Non-Read
Command
NOP
≥ tXSNR
≥ tXSRD
tIH
tIH
tIS
tIH
tIH
tIS
tIS
tRP
tIS
tAOFD
tCK
tCH
tCL
VIL(ac)
VIH(ac)
VIL(ac)
VIH(ac)
VIL(dc)
VIH(dc)
CLK
CMD
CKE
ODT
CLK
VIL(ac)
Read
Command
Notes:
1.
Device must be in the “All banks idle” state prior to entering Self Refresh mode.
2. ODT must be turned off tAOFD before entering Self Refresh mode, and can be turned on again when tXSRD timing is
satisfied.
3. tXSRD is applied for a Read or a Read with Auto-precharge command. tXSNR is applied for any command except a Read or a
Read with Auto-precharge command.


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