TCA5500 Integrated Circuit - CASE: DIP18 MAKE: Motorola

AY5-3507 Integrated Circuit - CASE: DIP18 MAKE: Generic

AN6270 Integrated Circuit - CASE: DIP18 MAKE: Panasonic

MN6221 Integrated Circuit - CASE: DIP18 MAKE: Matsushita Electronics

HA12044 Integrated Circuit - CASE: DIP18 MAKE: Hitachi

MDA2060 Integrated Circuit - CASE: DIP18 MAKE: ITT

ADG428BN Integrated Circuit - CASE: DIP18 MAKE: AD

NE589 Integrated Circuit - CASE: DIP18 MAKE: Generic