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Altera HardCopy II Clock Uncertainty Calculator User Manual

Page 37

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Altera Corporation

A–5

HardCopy II Clock Uncertainty Calculator User Guide

Figure A–5

shows an example of a clock-pair = CLK8 to CLK10

Figure A–5. Inter-Clock Domain with a PLL on the Source Clock

Table A–5

shows input of the PLL index for

Figure A–5

, with respect to

the source and destination clocks.

INBUF

CLK8

CLK10

Source

Clock

Destination

Clock

Source
Register

Destination
Register

PLL3

Table A–5. Location of Input PLLs

Source Clock

Destination Clock

1st PLL

2nd PLL

1st PLL

2nd PLL

3

0