All ProductsHitachiSemiconductorsIntegrated Circuits (ics)Multivibrators Manufacturer Line HITACHI HITACHI Browse Categories Product Lines Semiconductors Integrated Circuits (ics) Multivibrators Available Inventory Manufacturer Parts HD74LS123FP SOP, SOP16,.3 MFR. Name: Hitachi HD74LS221P DIP, DIP16,.3 MFR. Name: Hitachi