ICS84427CMLF datasheet(8/13 Pages) ICST

No. de pieza	ICS84427CMLF

Descripción Electrónicos	CRYSTAL-TO-LVDS INTEGRATED FREQUENCY SYNTHESIZER/FANOUT BUFFER

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Fabricante Electrónico	ICST [Integrated Circuit Systems]

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8 / 13 page

84427CM

www.icst.com/products/hiperclocks.html

REV. D NOVEMBER 30, 2005

Integrated

Circuit

Systems, Inc.

ICS84427

CRYSTAL-TO-LVDS

INTEGRATED FREQUENCY SYNTHESIZER/FANOUT BUFFER

PRELIMINARY

LVDS DRIVER TERMINATION

A general LVDS interface is shown in Figure 3. In a 100

Ω differ-

ential transmission line environment, LVDS drivers require a

matched load termination of 100

Ω across near the receiver in-

100 Ohm Differiential Transmission Line

100

3.3V

LVDS_Driv er

3.3V

FIGURE 3. TYPICAL LVDS DRIVER TERMINATION

put. For a multiple LVDS outputs buffer, if only partial outputs

are used, it is recommended to terminate the un-used outputs.

RECOMMENDATIONS FOR UNUSED OUTPUT PINS

OUTPUTS:

LVDS

All unused LVDS output pairs can be either left floating or

terminated with 100

Ω across. If they are left floating, we

recommend that there is no trace attached.

ICS84427CMLF Datasheet(PDF) 8 Page - Integrated Circuit Systems