HT2860B HOLTEK [Holtek Semiconductor Inc], HT2860B Datasheet
HT2860B
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HT2860B Summary of contents
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Features Single power supply: 2.4V~4.5V Low standby current (Typ =3V DD Auto power-off function Six different sound sections General Description The HT2860 is a CMOS LSI chip designed for use in sound effect products. It can ...
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Pad Coordinates 2 Chip size (mil) The IC substrate should be connected to VDD in the PCB layout artwork. Block Diagram Pad Pad No. No. 1 –38.21 39.10 10 38.38 2 –38.21 30.60 11 38.38 ...
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Pad Description Internal Pad No. Pad Name I/O Connection 1 LED O Inverter Out 2 OSC3 O — 3 VDD — — 4 KEY6 I Pull-Low 5 KEY5 I Pull-Low 6 KEY4 I Pull-Low 7 KEY3 I Pull-Low 8 KEY2 ...
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Electrical Characteristics Symbol Parameter V Operating Voltage DD I Standby Current STB I Operating Current DD I OUT Source Current OH I OUT Sink Current OL I LED Source Current LED f Oscillator Frequency SYS V “H” Input Voltage IH ...
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Application Circuits Speaker application 5 11th July ’97 HT2860 ...
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July ’97 HT2860 ...
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July ’97 HT2860 ...
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... Application Circuits (HT2860B — Six Alarm Sounds) 8 11th July ’97 HT2860 ...
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Application Circuits (HT2860C — Six Alarm Sounds) 9 11th July ’97 HT2860 ...