PI2PCIE2212 datasheet(3/6 Pages) PERICOM

3 / 6 page

PS8971B

02/08/13

PI2PCIE2212

PCI Express® 2.0, 1-Lane 2:1 Mux/DeMux Switch w/ Single Enable

Switching Characteristics (TA=-40ºto+85ºC,VDD=1.5Vto1.8V)

Paramenter

Description

Min.

Typ.(1)

Max.

Units

tPZH,tPZL LineEnableTime-SELtoAN,BN,CN

0.5

8.0

tPHZ,tPLZ LineDisableTime-SELtoAN,BN,CN

0.5

8.0

tb-b

Bit-to-bitskewwithinthesamedifferentialpair

tch-ch

Channel-to-channelskew

Note:

1. TypicalvaluesareatVDD=1.8V,TA =25°Cambientandmaximumloading.

Switch Positions

Test

Switch

tPLZ,tPZL

2xVDD

tPHZ,tPZH

GND

PropDelay

Open

Pulse

Generator

D.U.T

200-Ohm

4pF

VDD

2 x VDD

VIN

VOUT

Test Circuit for Electrical Characteristics(1-5)

Notes:

1. CL=Loadcapacitance:includesjigandprobecapacitance.

2. RT=Terminationresistance:shouldbeequaltoZOUTofthePulseGenerator

3. Output1isforanoutputwithinternalconditionssuchthattheoutputislowexceptwhendisabledbytheoutputcontrol.

output2isforanoutputwithinternalconditionssuchthattheoutputishighexceptwhendisabledbytheoutputcontrol.

4. Allinputimpulsesaresuppliedbygeneratorshavingthefollowingcharacteristics:PRR≤MHz,ZO=50Ω,tR≤2.5ns,tF≤2.5ns.

5. Theoutputsaremeasuredoneatatimewithonetransitionpermeasurement.

Switching Waveforms

Voltage Waveforms Enable and Disable Times

tPLZ

VDD/2

VDD

VOH

VOL

VDD/2

VOH –0.3V

VOL +0.3V

VDD/2

tPHZ

tPZL

tPZH

Output

VOL

VOH

SEL

13-0023

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