PI6C21200VE datasheet(13/15 Pages) PERICOM

13 / 15 page

PS8820

02/28/06

PI6C21200

1:12 Clock Driver for Intel

PCI-Express Chipsets

AC Switching Characteristics (VDD = 3.3±5%, VDD_A= 3.3 ±5%)

Symbol

Parameters

Min

Max.

Units

Notes

Trise / Tfall

Rise and Fall Time (measured between 0.175V to 0.525V)

125

525

ΔTrise /

ΔTfall

Rise and Fall Time Variation

Rise/Fall Matching

Tpd

PLL Mode

±250

Non-PLL Mode

Tskew

Output-to-Output Skew OUT [9:0] or OUT [10:11]

Tskew

Output-to-Output Skew OUT [9:0] to OUT [10:11]

Tjitter

Cycle-to-Cycle Jitter

VHIGH

Voltage High including overshoot

660

850

VLOW

Voltage Low including undershoot

-150

VCROSS

Absolute crossing poing voltages

250

550

ΔVCROSS

Total Variation of Vcross over all edges

100

TDC

Duty Cycle

Notes:

Measurement taken from Single Ended waveform.

Measurement taken from Differential waveform.

Test configuration is RS = 33.2Ω, Rp = 49.9Ω, and 2pF.

Configuration Test Load Board Termination

33Ω

49.9Ω

475Ω

49.9Ω

2pF

Clock#

Clock

TLA

TLB

PI6C21200

Figure 4. Configuration test load board termination

Note:

TLA and TLB are 3” transmission lines.

PI6C21200VE Datasheet(PDF) 13 Page - Pericom Semiconductor Corporation

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