BT66 - UM66 - FT66 Musical IC

BT66 UM66 FT66 Musical IC - Melody Generator

The BT66 / UM66 / FT66 is an integrated circuit for melody generation. It features an on-chip RC oscillator and 64-note ROM memory. The IC generates musical tones with a 2-octave sound range and 15 tempo settings, from presto to largo. Operating modes include one-shot melody playback and continuous level hold. Output drive options are direct piezo speaker or external NPN transistor. A power-on reset function ensures consistent melody initiation. This device is suitable for sound integration in toys, alarms, and doorbells.

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 autonomous operation
• Integrated 64-note ROM memory for melody storage
• Supports a 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 function for melody sequence initialization
• External NPN transistor support for speaker interfacing

Applications:

• Electronic toys and games
• Doorbell chimes and alarm systems
• Musical greeting cards and gifts
• Simple audio indicators
• DIY electronic project integration
• Educational electronics kits

Frequently Asked Questions:

Q: What types of speakers can the BT66 / UM66 / FT66 IC drive?
A: The IC can directly drive a piezo speaker or interface with an external NPN transistor for other speaker types.

Q: How many distinct tempo settings are available on this IC?
A: The IC provides 15 distinct tempo settings, ranging from Presto to Largo.

Q: What are the available melody playback modes?
A: It supports both one-shot melody playback and continuous level hold operating modes.

Q: What is the memory capacity for melodies?
A: The IC incorporates 64-note ROM memory for melody storage.

Q: Is a power-on reset function included?
A: Yes, a power-on reset function is integrated for consistent melody initiation.

Package Includes:

*Image shown is a representation only.

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