MB89352P Integrated Circuit - DIP48 - Fujitsu

AN3236K Integrated Circuit - DIP48 - Matsushita Electronics

LA7681 Integrated Circuit - DIP48 - Sanyo Semiconductor

CXA2142S Integrated Circuit - DIP48 - Sony

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