| Manufacturer | Part Number | Description |
|---|---|---|
| Bowin | UM3481 | Multi-Instrument Melody Generator |
Unicorn Microelectronics
| UM3481A | Multi Instrument Melody Generator |
Analog Devices
| ADUM3481 | 3.75kV RMS Quad Digital Isolators |
Unicorn
| UM3482A | (UM3481A Series) Multi-Instrument Melody Generator |
