Part Number: 1489MP30 (Call for availability and pricin) Part Number: 1489MP36 (Call for availability and pricin) Part Number: 1489MP4 (Call for availability and pricin) Part Number: 1489MP42 (Call for availability and pricin) Part Number: 1489MP6 (Call for availability and pricin) Part Number: 1489MP9 (Call for availability and pricin) Part Number: 1489MTL (Mc1489mtl) Part Number: 1489MTLB (Mc1489mtlb) Part Number: 1489N (No description) Part Number: 1489NDOTS (No description) Part Number: 1489NDS1489N (Nationl) Part Number: 1489NMC14 (National semiconductor) Part Number: 1489NSIG (Mc1489n) Part Number: 1489P (P)