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: 16/37页
文件大小: 557K
代理商: V58C2256324SAH-40
23
V58C2256324SA Rev. 1.0 November 2003
ProMOS TECHNOLOGIES
V58C2256324SA
WriteInterruptedbyaPrecharge
ABurstWriteoperationcanbeinterruptedbeforecompletionoftheburstbyaPrechargeofthesamebank.Randomcolumnaccessis
allowed.AWriteRecoverytime(t WR)isrequiredfromthelastdatatoPrechargecommand.WhenPrechargecommandisasserted,
anyresidualdatafromtheburstwritecyclemustbemaskedbyDMx.
WriteinterruptedbyPrecharge
D-in
2
CLK
Write
bankA
DQSx
DQx
D-in
0
Command
t
WR
DMx
NOP
PRE
Write
bankB
NOP
D-in
1
D-in
3
t
DQSS
NOP
D-in
0
D-in
1
Lastvalid
data
Datamustbe
masked
Dataismasked
byPrecharge
Burstlength=8
t
DQSS
D-in
4
D-in
5
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