Attributes . <a href="/part/sn74lvc540apwr"> SN74LVC540APWR </a><br> <a href="/part/sn74lvc540apw"> SN74LVC540APW </a><br> <a href="/part/sn74lvc540apwre4"> SN74LVC540APWRE4 </a><br> <a href="/part/sn74lvc540apwt"> SN74LVC540APWT </a><br> . Names