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working of 4 bit binary countdown counter

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headman333

headman333

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74LS193

I'm have 74LS193 binary counter and it counts from 0 to 15. I want to make it count to only from 0 to 9, what will i do with its 4-input to count from 0 to 9?
 

Re: 74LS193

To count-up from 0 to 9 you need external AND gate connected as shown on the attached picture ..

Rgds,
IanP
 
Re: 74LS193

I have used a nand gate instead, and that gives me the desired result.
 

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