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    | Partname: | HC-55564 |  
    | Description: | Continuously Variable Slope Delta-Modulator |     
    | Manufacturer: | Intersil Corp. |  
    | Datasheet: | PDF (69.6K). Click here to download *) |  
    The HC-55564 is a half duplex modulator/demodulator CMOS intergrated circuit used to convert voice signals into serial NRZ digital data and to reconvert that data into voice. The conversion is by delta-modulation, using the Continuously Variable Slope (CVSD) method of modulation/demodulation.  |  
    
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    Click here to download HC-55564 Datasheet*) | 
  
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