MSM5832RS Integrated Circuit - DIP18 - OKIJ

MSM6242B Integrated Circuit - DIP18 - OKI Semiconductor

MCM6674 Integrated Circuit - DIP18 - Motorola Semiconductor

SAF1092 Integrated Circuit MOS - DIP18 - ITT Industries

M58981P-45 MITSUBISHI INTEGRATED CIRCUIT DIP-18 ''UK COMPANY SINCE1983 NIKKO''

M54564P MITSUBISHI INTEGRATED CIRCUIT DIP-18

M51342P Integrated Circuit - DIP18 - Mitsubishi

MP7623JN Integrated Circuit - DIP18 - Micro Power Systems (MPS)