參數(shù)資料
型號: HYB25D256160TCL-75
廠商: INFINEON TECHNOLOGIES AG
英文描述: MEMORY SPECTRUM
中文描述: 記憶譜
文件頁數(shù): 35/94頁
文件大?。?/td> 3326K
代理商: HYB25D256160TCL-75
HYB25D256[16/40/80]0C[E/C/F/T](L)
256 Mbit Double-Data-Rate SDRAM
Functional Description
Data Sheet
40
Rev. 1.6, 2004-12
Figure 16
Read to Precharge: CAS Latencies (Burst Length = 4 or 8)
CAS Latency = 2
NOP
PRE
NOP
ACT
Read
CK
Command
Address
DQS
DQ
DOa-n
DO a-n = data out from bank a, column n.
Cases shown are either uninterrupted bursts of 4 or interrupted bursts of 8.
3 subsequent elements of data out appear in the programmed order following DO a-n.
Shown with nominal tAC, tDQSCK, and tDQSQ.
Don’t Care
BA a, COL n
BA a or all
BA a, ROW
CL=2.5
CAS Latency = 2.5
NOP
PRE
NOP
ACT
Read
CK
Command
Address
DQS
DQ
DOa-n
tRP
BA a, COL n
BA a or all
BA a, ROW
CL=2
tRP
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