PI3USB102G datasheet(4/7 Pages) PERICOM

4 / 7 page

09/18/14

PI3USB102G

USB 2.0 High-Speed (480 Mbps) Switch with 5V Protection

Notes:

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

VDD = 3.0 - 5.5V, TA = 25°C ambient.

Measured by the voltage drop between Y+/Y- and the lower of M+/M- and D+/D- at indicated current through the Switch.

When the voltage at Y+/Y- is greater than VDD + 0.2V, over-voltage protection limits the output voltage at M+/- and D+/- to protect

connected devices from damage.

Capacitance (T

a = 25°C, V

DD = 3.3V, f = 1MHz)

Parameters(3)

Description

Test Conditions(1)

Typ.(2)

Max.

Units

CIN

Input Capacitance

2.2

3.2

COFF (M/D)

Switch Off Capacitance for M and D ports

OE = High

3.0

4.0

COFF (Y)

Switch Off Capacitance for Y port

OE = High

5.0

6.0

CON

Switch Capacitance, Switch ON

VSEL = 0V or VDD

6.0

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.

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

Time duration for output voltage higher than VOVP when input is connected to 5V.

Output voltage observed at M+/M- and D+/D- during over-voltage condition.

Tested using a 750 kHz square wave with tr = 75 ns and tf = 75 ns.

Dynamic Electrical Characteristics Over the Operating Range

Parameters(3)

Description

Test Conditions

Min.

Typ.(2)

Max.

Units

XTALK

Crosstalk

RL = 50Ω, f = 240 MHz

-29

OIRR

OFF Isolation

-28

-3dB BW

–3dB Bandwidth

RL = 50Ω

1,000

MHz

-0.5dB BW

–0.5dB Bandwidth

RL = 50Ω

275

MHz

TOVP

Over-Voltage

Response Time(4)

CL = 10 pF, VY+/Y- = 5V,

VDD = 3.0 to 3.6V (6)

100

VDSW

Dynamic Signal Output

Swing(5)

CL = 10 pF, VY+/Y- = 5V,

VDD = 3.0 to 3.6V (6)

2.7

3.0

3.6

Switching Characteristics

Parameters

Description

Test Conditions (1) Min. Typ.

Max. Units

tPD

Propagation Delay(2,3)

See Test Circuit

for Electrical

Characteristics

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

11.0

tBBM

Break Before Make Delay

9.0

tSKb-b

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

the same output (tPHL-tPLH)(2)

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 propagation 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

propagation delay to the system. Propagation 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.

14-0136

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