UM3491 Datasheet (UMC) - Melody Generator

UM3491, Melody Generator

The UM3491 series comprisesmask-ROM-programme_d melody generatorswith accompaniment implemented through CMOS technology.They are d.esignedto play_ melodiesaccordingto previouslyprogrammedinformation.

aremixedtogetherto generatesimultaneouosutput.

The UM3491 seriesis intended for aoolicationssucn a

UM3491 Features

* r 3V operatingvoltageforspeakerapplication. r 1 0 2 4 - n o 1me e m o r y ;u p t o 1 6 t u n e s . r D u a lt o n e m i x e do u t p u t ,2 i n d i v i d u ael x t e r n ael n v e l o p e circuils r R Co s c i l l a t owr i t h o n ee x t e r n arle s i s t o r r 3 1 p r o g r a m m o btl eo n e s(