BT66 / UM66/FT66 Musical IC

Description of product

BT66 / UM66 Simple Melody Generator IC


  • One shot or level hold mode
  • Plays a melody consisting of 64 note
  • RC oscillator on chip
  • 64-note ROM memory
  • Sound range : 2 octaves
  • Tempo : 15 kinds (presto-largo)
  • Direct Piezo drive
  • Solutions of automatic stop or repeat of the melody
  • Dynamic speaker can be driven with external NPN transistor
  • Power on reset : melody gegins from the frist note

* Image shown is a representation only.