参数资料
型号: W9725G6IB-18
厂商: WINBOND ELECTRONICS CORP
元件分类: DRAM
英文描述: 16M X 16 DDR DRAM, 0.35 ns, PBGA84
封装: 8 X 12.50 MM, ROHS COMPLIANT, WBGA-84
文件页数: 52/69页
文件大小: 1644K
代理商: W9725G6IB-18
PRELIMINARY W9725G6IB
Publication Release Date:Nov. 14, 2008
- 56 -
Revision P04
10.11. Seamless burst read operation: RL = 5 ( AL = 2, and CL = 3, BL = 4)
NOP
Post CAS
READ A
NOP
T0
T1
T2
T3
T4
T5
T6
T7
CLK/CLK
CMD
DQS,
DQS
DQ's
T8
DOUT
A0
DOUT
A1
DOUT
A2
DOUT
A3
DOUT
B0
DOUT
B1
DOUT
B2
AL = 2
CL = 3
RL = 5
Post CAS
READ B
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.
10.12. Seamless burst write operation: RL = 5 ( WL = 4, BL = 4)
NOP
Post CAS
WRITE A
NOP
T0
T1
T2
T3
T4
T5
T6
T7
CLK/CLK
CMD
DQS,
DQS
DQ's
T8
DIN A0
WL = RL - 1 = 4
Post CAS
WRITE B
DIN A1 DIN A2 DIN A3 DIN B0 DIN B1 DIN B2 DIN B3
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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