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82C862 Datasheet, PDF (47/51 Pages) List of Unclassifed Manufacturers – FireLink USB Dual Controller Quad Port USB
FireLink USB
82C862
6.3.2 USB AC Timings: Full Speed Source
Sym
Parameter
Min Max Unit Figure Condition (Notes 1, 2, and 3)
Driver Characteristics
Transition Time:
tR
Rise Time
tF
Fall Time
4
20
ns
4
20
ns
tRFM
Rise/Fall Time Matching
90
110
%
vCRS
Output Signal Crossover Voltage
1.3
2.0
V
zDRV
Driver Output Resistance
28
43 ohm
Data Source Timings
tDRATE Full Speed Data Rate
11.97 12.03 Mb/s
tFRAME Frame Interval
0.9995 1.0005 ms
tDJ1
tDJ2
Source Differential Driver Jitter:
To Next Transition
For Paired Transitions
–3.5 3.5
ns
–4.0 4.0
ns
tEOPT Source EOP Width
160 175 ns
tDEOP Differential to EOP Transition Skew –2
5
ns
tJR1
tJR2
Receiver Data Jitter Tolerance:
To Next Transition
For Paired Transitions
–18.5 18.5 ns
–9
9
ns
EOP Width at Receiver:
tEOPR1
Must Reject at EOP
40
ns
tEOPR2
Must Accept as EOP
82
ns
CL = 50pF, Notes 5 and 6
(tR/tF)
Steady state drive
Average bit rate = 12Mb/s ±0.25%
1.0ms ±0.05%
Notes 7 and 8
Note 8
Note 8
Note 8
Note 8
912-2000-030
Revision 1.0
®
Page 43