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W9725G6KB
11.23 Burst read operation with Auto-precharge: RL=4 (AL=1, CL=3, BL=4, t RTP
> 2clks)
T0
T1
T2
T3
T4
T5
T6
T7
T8
CLK/CLK
CMD
Post CAS
READA
NOP
NOP
NOP
NOP
NOP
NOP
Bank A
Activate
NOP
DQS,
DQS
A10 = 1
AL = 1
≥ AL + t RTP + t RP
CL = 3
RL = 4
DQ's
4-bit prefetch
t RTP
Dout
A0
Dout
A1
Dout
A2
t RP
Dout
A3
Precharge begins here
11.24 Burst read with Auto-precharge followed by an activation to the same
bank (t RC Limit): RL=5 (AL=2, CL=3, internal t RCD =3, BL=4, t RTP ≤ 2clks)
T0
T1
T2
T3
T4
T5
T6
T7
T8
CLK/CLK
CMD
Post CAS
READA
NOP
NOP
NOP
NOP
NOP
NOP
NOP
Bank A
Activate
A10 = 1
DQS,
DQS
≥ t RAS min. (AL + BL/2)
Auto-precharge begins
AL = 2
RL = 5
CL = 3
≥ t RP
DQ's
Dout
A0
Dout
A1
Dout
A2
Dout
A3
t RC min.
Publication Release Date: Sep. 03, 2012
- 81 -
Revision A03
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