SMSC DS – USB97CFDC

Page 16

Rev. 12/15/2000

USB AC PARAMETERS

Differential

Data Lines

10%

Rise Time

90%

Fall Time

10%

90%

FIGURE 7 - DATA SIGNAL RISE AND FALL TIME

Differential

Data Lines

Crossover

Points

Paired

Transitions

Consecutive

Transitions

FIGURE 8 - DIFFERENTIAL DATA JITTER

Differential

Data Lines

Crossover

Point

Crossover

Point Extended

Source EOP Width:

Diff. Data to

SE0 Skew

FIGURE 9 - DIFFERENTIAL TO EOP TRANSITION SKEW AND EOP WIDTH

Differential

Data Lines

Paired

Transitions

Consecutive

Transitions

FIGURE 10 - RECEIVER JITTER TOLERANCE