M109 B1 (SGS , ST Integrated Circuit M109B1)
M109 B1 (SGS , ST Integrated Circuit M109B1) | M109 B1 - Electronic Organ + Accompaniment (DIP40)
M110 B1 (SGS , ST Integrated Circuit M110B1)
M110 B1 (SGS , ST Integrated Circuit M110B1) | M110B1 - Monophonic Synthesizer and Keyboard Processor (DIP40)
M112 B1 (SGS , ST Integrated Circuit M112B1)
M112 B1 (SGS , ST Integrated Circuit M112B1) | M112 B1 - Polyphonic Sound Generator (DIP40)
M114 S (SGS , ST Integrated Circuit M114S)
M114 S (SGS , ST Integrated Circuit M114S) | M114S - Digital Sound Generator (DIP40)
M147 B1 (SGS , ST Integrated Circuit M147B1)
M147 B1 (SGS , ST Integrated Circuit M147B1) | M147B1 - 13 Bit Latch Pedal Sustain (DIP24)
M251 B1 AC (SGS , ST Integrated Circuit M251B1AC)
M251 B1 AC (SGS , ST Integrated Circuit M251B1AC) | M251 B1AC - Arp.,Chord,Bass Generator (DIP40)
M253 B1 AC (SGS , ST Integrated Circuit M253B1AC)
M253 B1 AC (SGS , ST Integrated Circuit M253B1AC) | M253 B1AC - 12 Rhythm Generator-Melody Generator (DIP24)
M253 B1 BD (SGS , ST Integrated Circuit M253B1BD)
M253 B1 BD (SGS , ST Integrated Circuit M253B1BD) | M253 B1BD - 12 Rhythm Generator-Melody Generator (DIP24)
M259 EB 1A (SGS , ST Integrated Circuit M259EB1A)
M259 EB 1A (SGS , ST Integrated Circuit M259EB1A) | M259 EB1A - 16 Rhythm Generator (DIP40)
M269 B1 AA (SGS , ST Integrated Circuit M269B1AA)
M269 B1 AA (SGS , ST Integrated Circuit M269B1AA) | M269 B1AA - 10 Rhythm Generator (DIP24)
M3870 BN B1 (SGS , ST Integrated Circuit M3870BNB1)
M3870 BN B1 (SGS , ST Integrated Circuit M3870BNB1) | M3870 BNB1 - 8-Bit Microcomputer (DIP40)