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    | Partname: | CD54HC4040 |  
    | Description: | High-Speed CMOS Logic 12-Stage Binary Counter |     
    | Manufacturer: | Texas Instruments |  
    | Datasheet: | PDF (346K). Click here to download *) |  
    The 'HC4040 and 'HCT4040 are 14-stage ripple-carry binary counters. All counter stages are master-slave flipflops. The state of the stage advances one count on the negative clock transition of each input pulse; a high voltage level on the MR line resets all counters to their zero state. All inputs and outputs are buffered.  |  
    
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    Click here to download CD54HC4040 Datasheet*) | 
  
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