ICS841484I datasheet(14/28 Pages) RENESAS

tên linh kiện	ICS841484I

Giải thích chi tiết về linh kiện	FemtoClock® Crystal-to-0.7V Differential HCSL Clock Generator

PDF	28 Pages

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nhà sản xuất	RENESAS [Renesas Technology Corp]

Trang chủ	http://www.renesas.com

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ICS841484I Data Sheet

FEMTOCLOCK® CRYSTAL-TO-0.7V DIFFERENTIAL HCSL CLOCK GENERATOR

ICS841484DKI REVISION A NOVEMBER 7, 2012

Applications Information

Recommendations for Unused Input and Output Pins

Inputs:

LVCMOS Control Pins

All control pins have internal pull-ups; additional resistance is not

required but can be added for additional protection. A 1k

 resistor

can be used.

REF_IN

For applications not requiring the use of the reference clock, it can be

left floating. Though not required, but for additional protection, a 1k



resistor can be tied from the REF_IN to ground.

Crystal Input

For applications not requiring the use of the crystal oscillator input,

both XTAL_IN and XTAL_OUT can be left floating. Though not

required, but for additional protection, a 1k

 resistor can be tied from

XTAL_IN to ground.

Outputs:

LVCMOS Output

The unused LVCMOS output can be left floating. There should be no

trace attached.

Differential Outputs

All unused differential outputs can be left floating. We recommend

that there is no trace attached. Both sides of the differential output

pair should either be left floating or terminated.

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