Rainbow Electronics W90P710CDG User Manual
Page 519
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W90P710CD/W90P710CDG
- 520 -
7.3.3 USB Transceiver AC Characteristics
Low Speed: 75ns at C
L
= 50pF, 300ns at C
L
= 350pF
Full Speed: 4 to 20ns at C
L
= 50pF
Differential
Data Lines
10%
Rise Time
90%
Fall Time
t
F
t
R
10%
90%
C
L
C
L
Data Signal Rise and Fall Time
USB Transceiver AC Characteristics
SYMBOL DESCRIPTION
CONDITIONS MIN
MAX
UNIT
T
R
Rise Time
CL = 50 pF
4
20
ns
T
F
Fall Time
CL = 50 pF
4
20
ns
T
RFM
Rise/Fall Time Matching
90
110
%
T
DRATE
Full Speed Data Rate
Average bit rate
(12 Mb/s
± 0.25%)
11.97 12.03 Mbps
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