8422002AGI-01LF datasheet(10/15 Pages) IDT

Part #	8422002AGI-01LF

Description	FEMTOCLOCKS??CRYSTAL-TOLVHSTL FREQUENCY SYNTHESIZER

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Manufacturer	IDT [Integrated Device Technology]

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10 / 15 page

ICS8422002I-01

FEMTOCLOCKS™ CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER

PRELIMINARY

IDT™ / ICS™ LVHSTL FREQUENCY SYNTHESIZER

10

ICS8422002AGI-01 REV. C NOVEMBER 1, 2007

Schematic Example

Figure 4 shows an example of ICS8422002I-01 application

schematic. In this example, the device is operated at VDD = 3.3V.

Both input options are shown. The device can either be driven

using a quartz crystal or a 3.3V LVCMOS signal. The C1= 22pF

and C2 = 22pF are recommended for frequency accuracy. For

different board layout, the C1 and C2 may be slightly adjusted for

optimizing frequency accuracy. The LVHSTL output driver

termination examples are shown in this schematic. The decoupling

capacitor should be located as close as possible to the power pin.

Figure 4. ICS8422002I-01 Schematic Example

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