PI6C10806 データシートの表示（PDF） - Pericom Semiconductor

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PI6C10806

1.8V/2.5V, 250MHz, Low Skew 1:6 Crystal to LVCMOS Clock Buffer

Pericom Semiconductor 

PI6C10806

1.8V/2.5V Low Skew 1:6 Crystal to LVCMOS Clock Buffer

Crystal Characteristic (link to "http://www.pericom.com/saronix" for more detailed crystal specifications)

Parameters

Description

Min

Typ

Max. Units

OSCMODE

Mode of Oscillation

Fundamental

FREQ

ESR(1)

Frequency

Equivalent Series Resistance

10

25

40

MHz

30

200

Ohm

CLOAD

Load Capacitance

16

32

pF

CSHUNT

Shunt Capacitance

7

pF

DRIVE

Operating Drive Level

Correlation Drive Level

0.5

mW

0.1

mW

Note: 1. ESR value is dependent upon frequency of oscillation

Application Notes

Crystal circuit connection

The following diagram shows PI6C10806 crystal circuit connection with a parallel crystal. For the CL=18pF

crystal, it is suggested to use C1=18pF, C2=18pF. C1 and C2 can be adjusted to fine tune to the target ppm of

crystal oscillator according to different board layouts. R1=100Ω is strongly suggested.

Crystal Oscillator Circuit

C1

18pF

Crystal (CL = 18pF)

100Ω

C2

R1

18pF

XTAL_IN

XTAL_OUT

07-0112

5

PS8823B 04/27/07

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