Bombardier I.C. 404P214H68, National Semiconductor 54F245DMQB Bus XCVR Single 8-CH 3-ST 20-Pin CDIP Rail by EcoTech Solutions Inc. Sale $7.75 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Type: I.C. Other Call Out: 54F245DMQB