AR# 5451

描述

What kind of capacitors should I use to decouple my CPLD's?

解决方案

Provide both 0.1 and 0.01 uF capacitors at every VCC point of the chip, and attach them directly to the nearest ground.

Please see the following application note for other board-level recommendations:

Planning for High Speed XC9500XL Designs - (Xilinx XAPP115): "Planning for High Speed XC9500XL Designs."