参数资料
型号: V58C2256404SCLS7I
厂商: PROMOS TECHNOLOGIES INC
元件分类: DRAM
英文描述: 64M X 4 DDR DRAM, 0.75 ns, PBGA60
封装: MO-233, FBGA-60
文件页数: 43/61页
文件大小: 917K
代理商: V58C2256404SCLS7I
48
V58C2256(804/404/164)SC*I Rev. 1.3 March 2006
ProMOS TECHNOLOGIES
V58C2256(804/404/164)SC*I
The above characteristics are specified under best, worst and normal process variation/conditions
Figure 36 - DATA INPUT (WRITE) TIMING
DI n = Data In for column n
Burst Length = 4 in the case shown
3 subsequent elements of Data In are applied in the programmed
order following DI n
Figure 37 - DATA OUTPUT (READ) TIMING
1. tDQSQ max occurs when DQS is the earliest among DQS and DQ signals to transition.
2. tDQSQ min occurs when DQS is the latest among DQS and DQ signals to transition.
3. tDQSQ nom, shown for reference, occurs when DQS transitions in the center among DQ signal transitions.
DON'T CARE
DQ
DM
DQS
DI
n
tDS
tDH
tDS
tDH
tDSL tDSH
t
min
DQSQ
t
max
DQSQ
DQ
DQS
t
min
DQSQ
t
max
DQSQ
t
nom
DQSQ
Burst Length = 4 in the case shown
tDV
DQS, DQ
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