UM66T series is a CMOS LSI-designed melody generator IC for use in telephones and toys application. It has an on-chip ROM programmed for musical performance. Produced by CMOS technology, the device results in very low power consumption. And with a built-in RC oscillator, a compact melody module can be constructed with only a few additional components. Features & Specifications of UM66 / BT66 Melody IC TO-92 Package:- Supply Voltage: -0.3V ~ 5V 1.3V to 3.3V operating voltage and low power consumption Level-hold mode to play repeatedly 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 The dynamic speaker can be driven with an external NPN transistor Operating Ambient Temperature: -10°C ~ 60°C Storage Temperature: -55°C ~ 125°C
