Alcor Micro AU6475 Manuale di riferimento tecnico - Pagina 17

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Termination voltage for
V
pull-up resistor on pin
TERM
RPU
Differential input
V
DI
sensitivity
Differential common
V
CM
mode voltage
Single ended receiver
V
SE
threshold
V
Low-level output voltage
OL
V
High-level output voltage
OH
Table 5.8 Dynamic characteristic:Analog I/O pins(DP/DM)
Symbol
Parameter
High-speed differential
t
HSR
rise time
High-speed differential fall
t
HSF
time
t
Rise time
FR
t
Fall time
FF
Differential rise/fall time
t
FRMA
matching(t
Output signal crossover
V
CRS
voltage
AU6475 USB2.0 Multi-LUN Flash Memory Card Reader V1.01W
Overall resistance
including external
resistor
Termination
USB1.1 Transceiver(FS)
Input Levels(differential receiver)
∣V
I
DP
Input Levels(single-ended receivers)
Output levels
Conditions
Driver Characteristics
High-Speed Mode
Full-Speed Mode
CL=50pF;10 to 90﹪
of∣V
OH
CL=50pF;90 to 10﹪
of∣V
OH
Excluding the first
transition from idle
/ t
FR
FF
mode
Excluding the first
transition from idle
mode
40.5
3.0
-V
0.2
I
DM
0.8
0.8
0
2.8
Min.
500
500
4
∣;
-V
OL
4
∣;
-V
OL
90
1.3
45
49.5
3.6
V
V
2.5
V
2.0
V
0.3
V
3.6
V
Typ.
Max. Unit
ps
ps
20
ns
20
ns
110
2.0
V
11