BT66 - UM66 - FT66 Musical IC

BT66 / UM66 / FT66 Simple Melody Generator IC

The BT66 / UM66 / FT66 is a compact and efficient melody generator integrated circuit. It's designed to bring sound to your electronic projects with ease. This versatile IC features an on-chip RC oscillator and a 64-note ROM memory, offering a complete solution for musical tones. It supports a sound range of two octaves and 15 different tempo settings, from presto to largo. Whether you need a one-shot melody or a continuous loop, it provides flexible operation modes. It can directly drive a piezo speaker or an external NPN transistor for dynamic output. Ideal for adding sound to toys, alarms, and doorbells, this IC ensures reliable performance with its power-on reset function. Enhance your designs with this user-friendly and feature-rich musical IC.

Specifications:

• Product Type: Melody Generator IC
• Model Numbers: BT66 / UM66 / FT66
• Memory: 64-note ROM
• Oscillator: On-chip RC
• Sound Range: 2 Octaves
• Tempo Settings: 15 (Presto-Largo)
• Output Drive: Direct Piezo / External NPN
• Operating Modes: One-shot, Level Hold
• Reset Function: Power-on Reset

Key features and benefits:

• On-chip RC oscillator for standalone operation
• Integrated 64-note ROM memory for melodies
• Supports 2-octave sound range
• 15 selectable tempo settings (Presto to Largo)
• Direct piezo speaker drive capability
• One-shot or level hold melody playback modes
• Power-on reset ensures melody starts from beginning
• External NPN transistor support for dynamic speakers

Applications:

• Electronic toys and games
• Doorbell chimes and alarms
• Greeting cards and musical gifts
• Simple audio indicators
• DIY electronic projects
• Educational kits

Package Includes:

*Image shown is a representation only.

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