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2011-11-0004

PT0378-1

8/26/11

3

PI3USB42

USB2.0 High-Speed (480Mbps) Signal Switch

With Vbus Short Protection

Power Supply Characteristics

Parameter

Description

Test Conditions

(1)

Min

Typ

Max

Unit

Quiescent Power

Supply current

-

-

100

nA

Current per

Control Voltage

-

5.8

15

A

Notes:

1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.

Capacitance

(T

Parameters

Description

Test Conditions

Min.

Typ

Max.

Units

C

CNTRL

Control logic pin Input Capacitance

-

6.0

-

C

OFF

Switch Capacitance, Switch OFF

-

1.9

-

C

ON

Switch Capacitance, Switch ON

-

6.0

-

pF

Dynamic Electrical Characteristics Over the Operating Range

Parameters

Description

Test Conditions(1)

Min.

Typ

Max.

Units

XTALK

Crosstalk

-

-41

-

OIRR

OFF Isolation

-

-37

-

dB

BW

–3dB Bandwidth

-

770

-

MHz

Switching Characteristics

Parameters

Description

Test Conditions

(1)

Min

Typ

Max

Units

Propagation Delay

(2,3)

-

0.25

-

Line Enable Time - SEL to

D(+/-), D(+/-)n

-

25

-

Line Disable Time - SEL to

D(+/-), D(+/-)n

See Test Circuit for

Electrical Characteristics

-

4

-

ns

Break-Before-Make

-

-

7

-

ns

-

-

35

Output skew, bit-to-bit

(opposite transition of the same

(2)

-

-

60

ps

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 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.