參數(shù)資料
型號(hào): HYB25R72180C-750
英文描述: RAMBUS DRAM
中文描述: Rambus的內(nèi)存
文件頁數(shù): 62/76頁
文件大?。?/td> 1218K
代理商: HYB25R72180C-750
HYB25D128400/800/160AT(L)
128-Mbit Double Data Rate SDRAM
Page 62 of 76
2002-05-06
Timing Diagrams
Data Input (Write)
(Timing Burst Length = 4)
Data Output (Read)
(Timing Burst Length = 4)
t
D
H
t
DS
t
D
H
t
DS
t
DQSL
DI n = Data In for column n.
3 subsequent elements of data in are applied in programmed order following DI n.
DI n
DQS
DQ
DM
Don’t Care
t
DQS
H
t
Q
H
(Data output hold time from DQS)
t
DQSQ
and t
Q
H
are only shown once and are shown referenced to different edges of DQS, only for clarify of illustration.
.
t
DQSQ
and t
Q
H
both apply to each of the four relevant edges of DQS.
DQS
DQ
t
DQSQ max
t
Q
H
t
DQSQ max.
is used to determine the worst case setup time for controller data capture.
t
Q
H
is used to determine the worst case hold time for controller data capture.
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