MSM5832 Integrated Circuit - DIP18 - OKI Semiconductor

HA16619 Integrated Circuit - DIP18 - Harris Semiconductor

HA11780 Integrated Circuit - DIP18 - Harris Semiconductor

DG528CK Integrated Circuit - DIP18 - Harris Semiconductor

HA12047 Integrated Circuit - DIP18 - Harris Semiconductor

MCM511000AP10 Integrated Circuit - DIP18 - Motorola Semiconductor

HA12044 Integrated Circuit - DIP18 - Harris Semiconductor

LC7073 Integrated Circuit - DIP18 - Sanyo Semiconductor