Data Sheet

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4
FSUSB42 — Low-Power, Two-Port, High-Speed, USB2.0 (480Mbps) UART Switch
DC Electrical Characteristics
All typical value are at T
A
=25°C unless otherw ise specified.
Symbol
Parameter
Condition
V
CC
(V)
T
A
=- 40°C to +85°C
Unit
Min.
Typ.
Max.
V
IK
Clamp Diode Voltage
I
IN
=-18mA
3.0
-1.2
V
V
IH
Input Voltage High
2.4 to 3.6
1.3
V
4.3
1.7
V
IL
Input Voltage Low
2.4 to 3.6
0.5
V
4.3
0.7
I
IN
Control Input Leakage
V
SW
=0 to V
CC
0 to 4.3
-1
1
µA
I
OZ
Off State Leakage
0 Dn, HSD1n, HSD2n
3.6 V
4.3
-2
2
µA
I
OFF
Pow er-Off Leakage Current
(All I/O Ports)
V
SW
=0 V to 4.3 V, V
CC
=0 V
Figure 5
0
-2
2
µA
R
ON
HS Sw itch On Resistance
(6)
V
SW
=0.4 V, I
ON
=-8 mA
Figure 4
2.4
4.5
7.5

3.0
3.9
6.5
∆R
ON
HS Delta R
ON
(7)
V
SW
=0.4 V, I
ON
=-8 mA
3.0
0.65

I
CC
Quiescent Supply Current
V
CNTRL
=0 or V
CC
, I
OUT
=0
4.3
1
µA
I
CCT
Increase in I
CC
Current per
Control Voltage and V
CC
V
CNTRL
=2.6 V, V
CC
=4.3 V
4.3
10
µA
V
CNTRL
=1.8 V, V
CC
=4.3 V
4.3
15
µA
Notes:
6. Measured by the voltage drop betw een HSDn and Dn pins at the indicated current through the sw itch.
On resistance is determined by the low er of the voltage on the tw o (HSDn or Dn ports).
7. Guaranteed by characterization.