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PI3USB10M Datasheet, PDF (3/6 Pages) Pericom Semiconductor Corporation – 4.2V, Wide Bandwidth, 2-Channel 2:1 Mux/DeMux USB 2.0 Switch w/ Single Select
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PI3USB10M
4.2V, Wide Bandwidth, 2-Channel,
2:1 Mux/DeMux USB 2.0 Switch with Single Select
Capacitance (TA = 25°C, f = 1MHz)
Parameters(3)
Description
CIN
Input Capacitance
COFF
Port I Capacitance, Switch OFF
CON
Switch Capacitance, Switch ON
Test Conditions(1)
VIN = 0V
Typ.(2)
2
4
7.5
Max.
3
6
9.5
Units
pF
Dynamic Electrical Characteristics Over the Operating Range
Parameters
Description
Test Conditions
XTALK
OIRR
Crosstalk
OFF Isolation
RL = 50Ω, f = 250 MHz
BW
Bandwidth -3dB
RL = 50Ω
Min.
Typ.(2)
-31
-39
700
Max.
Units
dB
MHz
Notes:
1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at VCC = 3.3V, TA = 25°C ambient and maximum loading.
3. This parameter is determined by device characterization but is not production tested.
Switching Characteristics
Parameters
Description
tPD
tPZH, tPZL
tPHZ, tPLZ
tSK(o)
Propagation Delay(2,3)
Line Enable Time - SEL to YN, NI0, IN
Line Disable Time - SEL to YN, NI0, IN
Output Skew between center port to any other port(2)
Test (1)
Conditions
See Test
Circuit for
Electrical
Character-
istics
Min.
-
0.5
0.5
-
Typ. Max. Units
0.25
- 15.0
-
9.0 ns
0.1 0.2
tSK(p)
Skew between opposite transitions of the same output (tPHL
- tPLH) (2)
-
0.1 0.2
Notes:
1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Guaranteed by design.
3. The switch contributes no propagational delay other than the RC delay of the On-Resistance of the switch and the load capacitance. The time
constant for the switch alone is of the order of 0.25ns for 10pF load. Since this time constant is much smaller than the rise/fall times of typical
driving signals, it adds very little propagational delay to the system. Propagational delay of the bus switch when used in a system is determined
by the driving circuit on the driving side of the switch and its interactions with the load on the driven side.
06-0014
3
PS8799B
03/16/06
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