Manual

166
AT89C5131
4136A–USB–03/03
USB AC Parameters
Rise Time Fall Time
V
CRS
Differential
Data Lines
90%
10%
90%
10%
t
R
tF
VHmin
VLmax
Table 116. USB AC Parameters
Symbol Parameter Min Typ Max Unit Test Conditions
t
R
Rise Time 4 20 ns
t
F
Fall Time 4 20 ns
t
FDRATE
Full-speed Data Rate 11.9700 12.0300 Mb/s
V
CRS
Crossover Voltage 1.3 2.0 V
t
DJ1
Source Jitter Total to Next
Transaction
-3.5 3.5 ns
t
DJ2
Source Jitter Total for Paired
Transactions
-4 4 ns
t
JR1
Receiver Jitter to Next
Transaction
-18.5 18.5 ns
t
JR2
Receiver Jitter for Paired
Transactions
-9 9 ns