Datasheet

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RECOMMENDED OPERATING CONDITIONS
(1)
ELECTRICAL CHARACTERISTICS
(1)
DYNAMIC ELECTRICAL CHARACTERISTICS
TS3USB31
HIGH-SPEED USB 2.0 (480-Mbps) 1-PORT SWITCH
WITH SINGLE ENABLE
SCDS242D – JULY 2007 – REVISED JANUARY 2008
MIN MAX UNIT
V
CC
Supply voltage 3.0 4.3 V
V
CC
= 3 V to 3.6 V 1.3
V
IH
High-level control input voltage V
V
CC
= 4.3 V 1.7
V
CC
= 3 V to 3.6 V 0.5
V
IL
Low-level control input voltage V
V
CC
= 4.3 V 0.7
V
I/O
Data input/output voltage 0 V
CC
V
T
A
Operating free-air temperature – 40 85 ° C
(1) All unused control inputs of the device must be held at V
CC
or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
(2)
MAX UNIT
V
IK
V
CC
= 3 V, I
I
= – 18 mA – 1.2 V
I
IN
Control inputs V
CC
= 4.3 V, V
IN
= 0 to 4.3 V, V
CC
= 0 V ± 1 µ A
I
OZ
(3)
V
CC
= 4.3 V, V
O
= 0 to 3.6 V, V
I
= 0, Switch OFF ± 1 µ A
I
OFF
D+ and D – V
CC
= 0 V, V
O
= 0 to 4.3 V, V
I
= 0, V
IN
= V
CC
or GND ± 2 µ A
I
CC
V
CC
= 4.3 V, I
I/O
= 0, Switch ON or OFF 1 µ A
Δ I
CC
(4)
Control inputs V
CC
= 4.3 V, V
IN
= 2.6 V 10 µ A
C
in
Control inputs V
CC
= 0 V, V
IN
= V
CC
or GND 1 pF
C
io(OFF)
V
CC
= 3.3 V, V
I/O
= 3.3 V or 0, Switch OFF 2 pF
C
io(ON)
V
CC
= 3.3 V, V
I/O
= 3.3 V or 0, Switch ON 6 pF
r
on
(5)
V
CC
= 3 V, V
I
= 0.4 V, I
O
= – 8 mA 6 10 Ω
Δ r
on
V
CC
= 3 V, V
I
= 0.4 V, I
O
= – 8 mA 0.35 Ω
r
on(flat)
V
CC
= 3 V, V
I
= 0 V or 1 V, I
O
= – 8 mA 2 Ω
(1) V
IN
and I
IN
refer to control inputs. V
I
, V
O
, I
I
, and I
O
refer to data pins.
(2) All typical values are at V
CC
= 3.3 V (unless otherwise noted), T
A
= 25 ° C.
(3) For I/O ports, the parameter I
OZ
includes the input leakage current.
(4) This is the increase in supply current for each input that is at the specified TTL voltage level, rather than V
CC
or GND.
(5) Measured by the voltage drop between the A and B terminals at the indicated current through the switch. ON-state resistance is
determined by the lower of the voltages of the two (A or B) terminals.
over operating range, T
A
= – 40 ° C to 85 ° C, V
CC
= 3.3 V ± 10%, GND = 0 V
PARAMETER TEST CONDITIONS TYP
(1)
UNIT
X
TALK
Crosstalk R
L
= 50 Ω , f = 240 MHz, See Figure 9 – 53 dB
O
IRR
OFF isolation R
L
= 50 Ω , f = 240 MHz, See Figure 8 – 30 dB
BW Bandwidth ( – 3 dB) R
L
= 50 Ω , C
L
= 5 pF, See Figure 10 1220 MHz
(1) For Max or Min conditions, use the appropriate value specified under Electrical Characteristics for the applicable device type.
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