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: 11/37页
文件大小: 557K
代理商: V58C2256324SAH-40
19
V58C2256324SA Rev. 1.0 November 2003
ProMOS TECHNOLOGIES
V58C2256324SA
DataMask(DMx)Function
TheDDRSDRAMhasaDataMaskfunctionthatcanbeusedonlyduringwritecycles.WhentheDataMaskisactivated(DMxhigh)
duringburstwrite,thewriteoperationismaskedimmediately.TheDMxtodata-masklatencyiszero.DMxcanbeissuedattherisingor
fallingedgeofDataStrobe.
DataMaskTiming
D-in
2
CLK
WRITE
DQSx
DQx
D-in
0
Command
DMx
NOP
D-in
1
D-in
3
NOP
Burstlength=8
D-in
6
D-in
4
D-in
5
D-in
7
Dataismaskedout
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