参数资料
型号: V58C2256324SAH-40
厂商: PROMOS TECHNOLOGIES INC
元件分类: DRAM
英文描述: 8M X 32 DDR DRAM, 0.6 ns, PBGA144
封装: LEAD FREE, BGA-144
文件页数: 9/37页
文件大小: 557K
代理商: V58C2256324SAH-40
17
V58C2256324SA Rev. 1.0 November 2003
ProMOS TECHNOLOGIES
V58C2256324SA
BurstWriteOperation(WRITE)
TheBurstWriteisinitiatedbyissuingaWRITEcommandattherisingedgeoftheclock.Theaddressinputs(A9,A7..A0)determine
startingcolumnaddress.DataforthefirstburstwritecyclemustbeappliedontheDQpinsonthefirstrisingedgeofDQSxfollowingthe
WRITEcommand.ThetimebetweentheWRITEcommandandthefirstcorrespondingedgeofthedatastrobeistDQSS.Theremaining
datainputsmustbesuppliedoneachsubsequentrisingandfallingedgeofthedatastrobeuntiltheburstlengthiscompleted.Whenthe
bursthasbeenfinished,anyadditionaldatasuppliedtotheDQpinswillbeignored.
BurstWriteOperation
CLK
WRITE
DQSx
DQx
Data-in
0
t
DQSS
t
WPREH
t
WPRES
t
WPST
Burstlength=4
NOP
Data-in
1
Data-in
2
Data-in
3
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