844251BG-14LFT datasheet(10/16 Pages) IDT

Part #	844251BG-14LFT

Description	FEMTOCLOCK??CRYSTAL-TO-LVDS CLOCK GENERATOR

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Manufacturer	IDT [Integrated Device Technology]

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ICS844251-14

FEMTOCLOCK™CRYSTAL-TO-LVDS CLOCK GENERATOR

IDT™ / ICS™ LVDS CLOCK GENERATOR

10

ICS844251BG-14 REV. A MAY 1, 2009

3.3V, 2.5V LVDS Driver Termination

A general LVDS interface is shown in Figure 4. In a 100

Ω

differential transmission line environment, LVDS drivers require a

matched load termination of 100

Ω across near the receiver input.

Figure 4. Typical LVDS Driver Termination

LVDS Driver

R1

100

Ω

–

+

50

Ω

50

Ω

3.3V or 2.5V

V

DD

100

Ω Differential Transmission Line

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