Altera HardCopy II Clock Uncertainty Calculator - Manual (Page 39)

Altera Corporation A–7
HardCopy II Clock Uncertainty Calculator User Guide
Figure A–7 shows an example of a clock-pair = CLK3 to CLK9
Figure A–7. Inter-Clock Domain with Two Independent Clocks and a PLL on the Destination Clock
Table A–7 shows input of the PLL index for Figure A–7 , with respect to
the source and destination clocks.
INBUF9
INBUF11
CLK3
CLK9
Source
Clock
Destination
Clock
Source
Register
Destination
Register
PLL4
Table A–7. Location of Input PLLs
Source Clock Destination Clock
1st PLL 2nd PLL 1st PLL 2nd PLL
0 — 4 —