Part Number MM54HC4066J having (CAGE Code 27014) and FSC 5962 Microcircuits Electronic in stock with ready to ship. Get an instant quote for MM54HC4066J Ic Hs Cmos Special by National Semiconductor Corp. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.