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W9725G6KB25A Datasheet(HTML) 74 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) 74 Page - Winbond

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W9725G6KB
Publication Release Date: Sep. 03, 2012
- 74 -
Revision A03
11.10
Seamless burst read operation: RL = 5 ( AL = 2, and CL = 3, BL = 4)
T0
T1
T2
T5
T3
T6
T4
T7
T8
Post CAS
READ A
Post CAS
READ B
NOP
NOP
NOP
NOP
NOP
NOP
NOP
DOUT
A0
DOUT
A1
DOUT
A2
DOUT
A3
DOUT
B0
DOUT
B1
DOUT
B2
CLK
CLK
CMD
DQS
DQS
DQ's
AL = 2
CL = 3
RL = 5
Note:
The seamless burst read operation is supported by enabling a read command at every other clock for BL = 4 operation, and
every 4 clock for BL = 8 operation. This operation is allowed regardless of same or different banks as long as the banks are
activated.
11.11
Seamless burst write operation: RL = 5 ( WL = 4, BL = 4)
T0
T1
T2
T5
T3
T6
T4
T7
T8
Post CAS
Write A
Post CAS
Write B
NOP
NOP
NOP
NOP
NOP
NOP
NOP
DIN
A0
DIN
A1
DIN
A2
DIN
A3
DIN
B0
DIN
B1
DIN
B2
CLK
CLK
CMD
DQS
DQS
DQ's
DIN
B3
WL = RL - 1 = 4
Note:
The seamless burst write operation is supported by enabling a write command every other clock for BL = 4 operation, every four
clocks for BL = 8 operation. This operation is allowed regardless of same or different banks as long as the banks are activated.


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