Chanawala SC <df192@city.ac.uk> writes:
 
>Can anybody help me in devicing a way of switch debouncing. The only 
>componants available are:
>D-type flip flops; Invertors; quad input NAND gates.

Debouncer:

            +5 +5   __________
             |  |  |  ______  |
   SPDT      R  R   -|      | |
   Switch    |  |    | Nand |-|------- output
          o--|-------|______| | |
    --o---   |        ______  | |
   |      o----------|      | | |
   |                 | Nand |-  |
  Gnd               -|______|   |
                   |____________|

So a quad nand chip is a dual debouncer.
						Doug Jones


Date: 23 Jan 1996 16:30:19 GMT

Original Subject: Re: Switch Debouncing


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