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W9725G6KB25A Datasheet(HTML) 79 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) 79 Page - Winbond

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W9725G6KB
Publication Release Date: Sep. 03, 2012
- 79 -
Revision A03
11.19
Burst read operation followed by precharge: RL=4 (AL=0, CL=4, BL=8,
tRTP > 2clks)
Dout
A0
Dout
A1
Dout
A2
Dout
A3
NOP
NOP
Precharge
NOP
NOP
NOP
NOP
Post CAS
READ A
Bank A
Activate
T0
T1
T2
T3
T4
T5
T6
T7
CLK/CLK
CMD
DQS,
DQS
DQ's
T8
Dout
A5
Dout
A6
Dout
A7
Dout
A4
CL = 4
RL = 4
≥ tRAS
≥ tRTP
AL + BL/2 + max(RTP, 2) - 2 clks
≥ tRP
first 4-bit prefetch
second 4-bit prefetch
AL = 0
11.20
Burst write operation followed by precharge: WL = (RL-1) = 3
NOP
NOP
NOP
NOP
NOP
NOP
NOP
Post CAS
WRITE A
Precharge
T0
T1
T2
T3
T4
T5
T6
T7
CLK/CLK
CMD
DQS,
DQS
DQ's
T8
WL = 3
Completion of the Burst Write
DIN
A0
DIN
A1
DIN
A2
DIN
A3
≥ tWR


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