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Please-Close-the-Door Language Integrated Circuit

2014-11-16 07:16  
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Please-Close-the-Door Language Integrated Circuit
HFC5203A is large-scale CMOS integrated circuit, storing a female voice please close the door . The pronunciation is clear and the peripheral circuit is simple. With level and do-not-keep- triggering mode, it can be widely used in banks, stores, security departments, air conditioning rooms and electric refrigerators to give reminders. The typical application circuit of HFC5203A is as shown in the figure.