UM66T Simple Melody Generator

The BT66 also known as UM66 series is a CMOS LSI designed melody generator IC for use in telephones and toys application.

UM66T/BT66T has an on-chip ROM programmed for musical performance. Produced by CMOS technology, the device results in very low power consumption. And with built-in RC oscillator, a compact melody module can be constructed with only a few additional components

Features of UM66T / BT66T Simple Melody Generator

• 64-note ROM memory ·

• Bulit-in RC oscillator

• 1.3V to 3.3V operating voltage and low  power consumption

• Level-hold mode to play repeatedly

• Dynamic speaker can be driven with external NPN transistor.

• Packaged in inexpensive TO-92 package 

• DC Supply Voltage : -0.3V to +5.0V

• Operating Ambient Temperature : -10°C to 60°C

• Storage Temperature : -55°C to 125°C