HT3820 Description
The HT3820 series are single-chip 128 note melody generators implemented in CMOS technology. It can play a melody of 128 notes by trigger input or automatically when power is on. Customers’ melody sources are programmed by changing a masking layer during device fabrication.
HT3820 Key Features
- Extremely few external ponents Drive an 8Ω speaker through an NPN transistor 3-pin TO-92 or 16 DIP/SOP package