User manual

Code Mercenaries
10
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6.2 AC Characteristics
Parameter Min Max Units Remarks
t
r
USB Driver Characteristics
Transition rise time 75 ns CLoad = 200pF
t
r
t
f
t
f
t
rfm
Transition rise time
Transition fall time 75
Transition fall time
Rise/Fall Time matching 80
300 ns
ns
300
125
ns
%
CLoad = 600pF
CLoad = 200pF
CLoad = 600pF
V
crs
t
drate
t
djr1
Output signal crossover voltage
USB Data Timing
1.3
Low Speed Data Rate
Receiver data jitter tolerance
1.4775
-75
t
djr2
t
deop
t
eopr2
t
eopt
Receiver data jitter tolerance
Differential to EOP transition skew
-45
-40
EOP width at reeiver
Source EOP width
670
1.25
2.0 V
1.5225
75
MBit/s
ns To next transition
45
100
ns
ns
1.50
ns
μs
For paired transitions
Accepts as EOP
t
udj1
t
udj2
Differential driver jitter
Differential driver jitter
-95
-150
95
150
ns
ns
To next transition
To paired transition
V 1.1.0, July 1st 2010 for Chip Revision V1.0.4.0 and up