Introduction ThepurposeofthehintsistohelpspeedupandimprovethequalityofyourPCBdesign. Generaldesignguidelines ThereisavarietyofdifferentBGApitchesaroundtoday.Fromthepopular1.27mmthrough1.0mm,0.8mmanddownto0.5mmpitch.Themostimportanttasktodobeforestarti