User manual

Code Mercenaries
23
II
II
OO
OO
--
--
WW
WW
aa
aa
rr
rr
rr
rr
ii
ii
oo
oo
rr
rr
6.3 AC Characteristics IOW24
Parameter Min Max Units Remarks
clock accuracy
USB Driver Characteristics
-1.5 +1.5 % Derived from USB signal
t
r
t
r
t
f
t
f
Transition rise time
Transition rise time
75
Transition fall time
Transition fall time
75
300
ns
ns
300
ns
ns
CLoad = 200pF
CLoad = 600pF
CLoad = 200pF
CLoad = 600pF
t
rfm
V
crs
t
drate
Rise/Fall Time matching
Output signal crossover voltage
80
1.3
USB Data Timing
Low Speed Data Rate 1.4775
t
djr1
t
djr2
t
deop
t
eopr2
Receiver data jitter tolerance
Receiver data jitter tolerance
-75
-45
Differential to EOP transition skew
EOP width at reeiver
-40
670
125
2.0
%
V
1.5225 MBit/s
75
45
ns
ns
100 ns
ns
To next transition
For paired transitions
Accepts as EOP
t
eopt
t
udj1
t
udj2
Source EOP width
Differential driver jitter
1.25
-95
Differential driver jitter -150
1.50
95
s
ns
150 ns
To next transition
To paired transition
V 1.1.0, December 2nd 2013, for chip revision V1.0.3.0 and up