USB97CFDC2-01 查看數據表（PDF） - SMSC -> Microchip
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USB97CFDC2-01 Datasheet PDF : 24 Pages
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10.2 USB AC PARAMETERS
Rise Time
CL
Differential
Data Lines
10%
90%
CL
tR
Fall Time
90%
10%
tF
Full Speed: 4 to 20ns at CL = 50pF
FIGURE 5 - DATA SIGNAL RISE AND FALL TIME
TPERIOD
Differential
Data Lines
Crossover
Points
Consecutive
Transitions
N * TPERIOD + TxJR1
Paired
Transitions
N * TPERIOD + TxJR2
FIGURE 6 - DIFFERENTIAL DATA JITTER
TPERIOD
Differential
Data Lines
Crossover
Point
Crossover
Point Extended
Diff. Data to
SE0 Skew
N * TPERIOD + TDEOP
Source EOP Width: TEOPT
Receiver EOP Width: TEOPR1, TEOPR2
FIGURE 7 - DIFFERENTIAL TO EOP TRANSITION SKEW AND EOP WIDTH
SMSC DS – USB97CFDC2-01
Page 21
DATASHEET
Rev. 02-27-07
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