HT2844T Holtek, HT2844T Datasheet
HT2844T
Related parts for HT2844T
HT2844T Summary of contents
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Features Single power supply: 2.4V~3.3V Low standby current (Typ Auto power-off function General Description The HT2844 is a CMOS LSI chip designed for use in sound effect products equipped with tone ...
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Block Diagram Pad Coordinates Pad No Pad No. 1 –33.53 27.05 2 –33.53 18.30 3 –33.53 10.22 4 –33.53 –14.34 5 –16.96 –27.04 6 –7.43 –27.04 7 2.51 –27.04 Pin Description Pin No. Pin Name I/O 1 TEST2 ...
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Pin No. Pin Name I/O 12 KEY1 I KEY1 input, low active 13 KEY2 I KEY2 input, low active 14 KEY3 I KEY3 input, low active 15 KEY4 I KEY4 input, low active 16 LED O LED flash output Absolute ...
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Timing Diagram 4 11th July ’97 HT2844 ...
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Application Circuits (HT2844 — Four Toy Gun Sounds) Speaker application 5 11th July ’97 HT2844 ...
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Piezo application 6 11th July ’97 HT2844 ...
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Application Circuits (HT2844C — Four Animal Sounds) Speaker application 7 11th July ’97 HT2844 ...
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Piezo application 8 11th July ’97 HT2844 ...
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Application Circuits (HT2844M — Four Helicopter Sounds) Speaker application 9 11th July ’97 HT2844 ...
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Piezo application 10 HT2844 11th July ’97 ...
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Application Circuits (HT2844N — Four Racing Car Sounds) Speaker application 11 HT2844 11th July ’97 ...
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Piezo application 12 HT2844 11th July ’97 ...
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Application Circuits (HT2844P — Four Jet aircraft Sounds) Speaker application 13 HT2844 11th July ’97 ...
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Piezo application 14 HT2844 11th July ’97 ...
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Application Circuits (HT2844S — Four Morning Call Sounds) Speaker application 15 HT2844 11th July ’97 ...
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Piezo application 16 HT2844 11th July ’97 ...
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... Application Circuits (HT2844T — Four Alarm Sounds) Speaker application 17 HT2844 11th July ’97 ...
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Piezo application 18 HT2844 11th July ’97 ...