UM66T-XXL Datasheet, PDF (2/2 Pages) BOWIN ELECTRONIC CO. – UM66T Simple Melody Generator

Pin no.
1
2
3
Symbol
O/P
Vdd
Vss
Description
Melody Output
Positive Power Supply
Negative Power Supply
Typical Application Circuits
LEVEL HOLD MODE FOR SPEAKER
LEVEL HOLD MODE FOR PIEZO BUZZER
Recommended values : C = 1µF , R = 4.7KΩ , Q = 2SC9013
REV.11-98 (2 pages)
2