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HT3820

Holtek
Part Number HT3820
Manufacturer Holtek
Description 128 Note Melody Generator
Published Feb 3, 2014
Detailed Description HT3820 128 Note Melody Generator Features • • • • • Working voltage: 2.4V~5.0V 7 tempo options 2 "CHA" envelopes Normal...
Datasheet PDF File HT3820 PDF File

HT3820
HT3820

Overview
HT3820 128 Note Melody Generator Features • • • • • Working voltage: 2.
4V~5.
0V 7 tempo options 2 "CHA" envelopes Normal or octave higher option 4 operation modes • • • Extremely few external components Drive an 8Ω speaker through an NPN transistor 3-pin TO-92 or 16 DIP/SOP package General 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.
The HT3820 can play various musical effects: Chord, Broken Chord, "CHA" sound accompaniment.
The mask option can be mad...


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