W9751G6KB WINBOND [Winbond], W9751G6KB Datasheet - Page 80

• Manufacturer Part Number: W9751G6KB
• Description: 8M ? 4 BANKS ? 16 BIT DDR2 SDRAM
• Manufacturer: WINBOND [Winbond]

10.21 Burst write operation followed by precharge: WL = (RL-1) = 4
10.22 Burst read operation with Auto-precharge: RL=4 (AL=1, CL=3, BL=8, t
CLK/CLK
CLK/CLK
CMD
DQS,
DQS
CMD
DQS,
DQS
DQ's
DQ's
2clks)
Posted CAS
first 4-bit prefetch
T0
T0
Post CAS
WRITE A
READA
A10 = 1
AL = 1
T1
T1
NOP
NOP
RL = 4
second 4-bit prefetch
WL = 4
AL + BL/2 clks
T2
T2
NOP
CL = 3
NOP
T3
T3
NOP
NOP
DIN A0 DIN A1 DIN A2 DIN A3
- 80 -
t
T4
T4
RTP
NOP
NOP
≥ t
Dout
A0
RTP
Dout
A1
T5
T5
NOP
NOP
Precharge begins here
Dout
A2
Publication Release Date: Dec. 09, 2011
Completion of the Burst Write
Dout
A3
T6
T6
NOP
NOP
Dout
A4
≥ t
RP
≥ t
Dout
W9751G6KB
A5
WR
T7
T7
NOP
NOP
Dout
A6
Dout
A7
Revision A01
Precharge A
T9
T8
Activate
Bank A
RTP
≤