upd720114 Renesas Electronics Corporation., upd720114 Datasheet - Page 18

• Manufacturer Part Number: upd720114
• Description: Usb 2.0 Hub Controller
• Manufacturer: Renesas Electronics Corporation.

USB Interface Block
18
Low-speed Electrical Characteristics
Rise time (10% to 90%)
Fall time (90% to 10%)
Differential rise and fall time matching
Low-speed data rate
Downstream facing port source jitter total
(including frequency tolerance) (Figure
2-13):
Downstream facing port differential receiver
jitter total (including frequency tolerance)
(Figure 2-15):
Source SE0 interval of EOP (Figure 2-14)
Receiver SE0 interval of EOP (Figure 2-14)
Width of SE0 interval during differential
transition
Hub differential data delay (Figure 2-11)
Hub differential driver jitter (including cable)
(Figure 2-11):
Downstream facing port
Upstream facing port
Data bit width distortion after SOP (Figure
2-11)
Hub EOP delay relative to t
Hub EOP output width skew (Figure 2-12)
Full-speed Electrical Characteristics
Rise time (10% to 90%)
Fall time (90% to 10%)
Differential rise and fall time matching
Full-speed data rate
Frame interval
Note Excluding the first transition from the Idle state.
To next transition
For paired transitions
To next transition
For paired transitions
To next transition
For paired transitions
To next transition
For paired transitions
Parameter
HDD
(Figure 2-12)
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
LR
LF
LRFM
LDRATHS
DDJ1
DDJ2
UJR1
UJR2
LEOPT
LEOPR
LST
LHDD
LDHJ1
LDHJ2
LUHJ1
LUHJ2
LSOP
LEOPD
LHESK
FR
FF
FRFM
FDRATHS
FRAME
Symbol
Data Sheet S17462EJ5V0DS
C
C
(t
Average bit rate
C
R
C
R
(t
Average bit rate
LR
FR
L
L
L
S
L
S
= 200 pF to 600 pF
= 200 pF to 600 pF
= 50 pF,
= 50 pF,
/t
= 36 Ω
= 36 Ω
/t
LF
FF
)
)
Conditions
Note
1.49925
11.9940
0.9995
−152
−200
−300
Min.
1.25
−25
−14
670
−45
−15
−45
−45
−60
75
75
80
90
0
4
4
1.50075
12.0060
111.11
1.0005
Max.
+152
+200
+300
300
300
125
+25
+14
210
300
+45
+15
+45
+45
+60
200
1.5
20
20
μ
PD720114
Mbps
Mbps
Unit
ms
ns
ns
ns
ns
ns
ns
μ
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%
s
(1/4)