參數(shù)資料
型號(hào): HYB25D128400AT-6
廠商: INFINEON TECHNOLOGIES AG
英文描述: 128 Mbit Double Data Rate SDRAM
中文描述: 128兆雙倍數(shù)據(jù)速率SDRAM
文件頁(yè)數(shù): 65/79頁(yè)
文件大?。?/td> 2596K
代理商: HYB25D128400AT-6
HYB25D128[400/800/160]A-[6/7/8]
128Mbit Double Data Rate SDRAM
Timing Diagrams
Data Sheet
65
Rev. 1.06, 2004-01
09192003-LFQ1-R60G
5
Timing Diagrams
Figure 37
Data Input (Write), Timing Burst Length = 4
Figure 38
Data Output (Read), Timing Burst Length = 4
t
DH
t
DS
t
DH
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
DQSH
t
QH
(Data output hold time from DQS)
t
DQSQ
and t
QH
are only shown once and are shown referenced to different edges of DQS, only for clarify of illustration.
.
t
DQSQ
and t
QH
both apply to each of the four relevant edges of DQS.
DQS
DQ
t
DQSQ max
t
QH
t
DQSQ max.
is used to determine the worst case setup time for controller data capture.
t
QH
is used to determine the worst case hold time for controller data capture.
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