AT43301_05 ATMEL [ATMEL Corporation], AT43301_05 Datasheet - Page 16

• Manufacturer Part Number: AT43301_05
• Description: Low-cost USB Hub Controller
• Manufacturer: ATMEL [ATMEL Corporation]

4. Timing Waveforms
16
AT43301
Figure 4-1.
Figure 4-2.
Figure 4-3.
Figure 4-4.
Data Signal Rise and Fall Time
Full-speed Load
Low-speed Downstream Port Load
Differential Data Jitter
DIFFERENTIAL
DIFFERENTIAL
DATA LINES
V
DATA LINES
CRS
T
PERIOD
TxD+
TxD-
10%
TxD+
TxD-
90%
RISE TIME
N*T
CONSECUTIVE
TRANSITIONS
t
CROSSOVER
C
R
L
PERIOD
POINTS
= 50pF
C
R
R
L
N*T
S
S
TRANSITIONS
= 200pF to 600pF
+T
R
R
C
C
PERIOD
PAIRED
S
S
L
L
XJR1
C
C
90%
L
L
+T
XJR2
3.6V
FALL TIME
10%
1.5KΩ
t
F
1137J–USB–01/06