Length Matching examples - PCI Bus Clocks

Clocks to all PCI devices in a system are typically generated from a clock multiplier like Texas Instruments’ CDCV304PW. A typical PCI bus clock implementation has a clock oscillator going to the input of a clock multiplier. The clock multiplier typically gives out 4 outputs. These four outputs go to the 4 PCI devices. The length of these clock nets are required to be matched.