DS80C320QCG Integrated Circuit - PLCC44 - Dallas Semiconductor

DS1229C01 Integrated Circuit - DIP20 - Dallas Semiconductor

P80C652FBA Integrated Circuit - PLCC - Philips

DS89C430MNL Integrated Circuit - DIP40 - Dallas Semiconductor

MSM80C154S-JS Integrated Circuit - PLCC44 - OKI Semiconductor

DP8421AV25 Integrated Circuit - PLCC68 - National Semiconductor - NSC

N80C188-16 Integrated Circuit - PLCC - Analog Devices - AMD

CS80C286-20 Integrated Circuit - PLCC68 - Harris Semiconductor