PI3USB102ZLE datasheet(3/8 Pages) PERICOM

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PI3USB102

USB 2.0 High-Speed (480 Mbps) Signal Switch

Targeted for Battery Powered Applications

PS8950C

11/20/08

Capacitance (TA = 25°C, f = 1MHz)

Parameters(3)

Description

Test Conditions(1)

Typ.(2)

Max.

Units

CIN

Input Capacitance

VSEL = 0V

2.2

3.2

COFF

Switch Capacitance, Switch OFF

2.4

3.4

CON

Switch Capacitance, Switch ON

5.5

7.0

Notes:

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

Typical values are at VDD = 3.3V, TA = 25°C ambient and maximum loading.

This parameter is determined by device characterization but is not production tested.

Dynamic Electrical Characteristics Over the Operating Range

Parameters

Description

Test Conditions

Min.

Typ.(2)

Max.

Units

XTALK

Crosstalk

RL = 50Ω, f = 240 MHz

–35

OIRR

OFF Isolation

–40

–3dB Bandwidth

RL = 50Ω

810

MHz

–0.5dB Bandwidth

RL = 50Ω

300

MHz

Switching Characteristics

Parameters

Description

Test Conditions (1)

Min.

Typ.

Max.

Units

tPD

Propagation Delay(2,3)

See Test Circuit for

Electrical Charac-

teristics

0.25

tPZH, tPZL

Line Enable Time - SEL, OE to D(+/-), M(+/-)

0.5

tPHZ, tPLZ

Line Disable Time - SEL, OE to D(+/-), M(+/-)

0.5

9.0

tSKC-C

Output skew, channel-to-channel(2)

3.5

tSKb-b

Output skew, bit-to-bit (opposite transition of the same

output (tPHL-tPLH)(2)

7.5

Notes:

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

Guaranteed by design.

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.

08-0310

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