AR# 5451

CPLD - Where can I find decoupling capacitors for CPLD chips?

Description

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

Solution

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."

AR# 5451
Date 02/26/2013
Status Active
Type General Article