Signal Integrity Problem

Mainly signal integrity problem falls following category Timing EMI Noise Timing is complicated field of study by itself in one clock of cycle a certain no of operation will happen this short time must be divided up and allocated in budget in all a various opretions .some time allocated for gate switching , for propagating […]

TRACE AND SPACE WIDTH Class 3

Preferred Pad Construction for Class 3 – 0.125/0.125 Surface Mount Technology Recommendations for two traces between 1mm BGA pads are as follows: • Via Pad diameter 0.55mm • Hole callout 0.25mm +0/-0.25mm • Plane anti-pad 0.75mm • Trace width 0.125mm / Space width 0.125mm • Route grid 0.05mm • These designs require 0.5‡ ounce outer […]

TRACE AND SPACE WIDTH for Class 1

Preferred Pad Construction for Class 1 – 0.2/0.2 Surface Mount Technology Recommendations for one trace through 1mm BGA pads are as follows: • Via Pad diameter 0.50mm • Hole callout 0.25mm + 0/-0.25mm • Plane anti-pad 0.7mm • Trace width 0.2mm/Space width 0.2mm • These designs require 0.5‡ ounce outer layer copper foil construction for […]