Altera HardCopy II Clock Uncertainty Calculator - Manual (Page 57)

Altera Corporation A–25
HardCopy II Clock Uncertainty Calculator User Guide
Figure A–26 shows an example of a clock-pair = CLK5 to CLK9
Figure A–26. Inter-Clock Domain with Two Independent Clocks and Cascaded PLLs on the Source Clock
Table A–26 shows input of the PLL index for Figure A–26 , with respect to
the source and destination clocks.
PLL12 PLL2
INBUF10
Source
Clock
Source
Register
Destination
Register
CLK3 CLK5
INBUF11
Destination
Clock
CLK9
Table A–26. Location of Input PLLs
Source Clock Destination Clock
1st PLL 2nd PLL 1st PLL 2nd PLL
12 2 0 —