MB1431AP Integrated Circuit - DIP48 - Fujitsu

IDT7130LA70P Integrated Circuit - DIP48 - Integrated Device Technology - IDT

LA7680 Integrated Circuit - DIP48 - Sanyo Semiconductor

MB394 Integrated Circuit - DIP48 - Fairchild Semiconductor

NCR5385 Integrated Circuit - DIP48 - Generic Make

AM9516A6DCB Integrated Circuit - DIP48 - Analog Devices - AMD

NCR5386 Integrated Circuit - DIP48 - Generic Make

IDT7130LA55P Integrated Circuit - DIP48 - Integrated Device Technology - IDT