Going back and re-reading the question. I'm not sure that it says I have to use a RS Flip Flop. (it just gives it as an example)
It states, Modify your circuit (the one I attached) so once it activates under any of it's conditions that like latches on and the bulb remains on.
Any ideas how it can be done??
Thanks,
Digital Logic Circuit - With a RS Flip Flop
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12th April 2012 08:58 PM #1joelwalker71
Digital Logic Circuit - With a RS Flip Flop
Hi there,
I would really appreciate some help with my homework.
I was tasked to create a logic circuit that worked for the truth table I have attached.
I then converted it to NAND gates and simplified it down; I have attached a screenshot.
The second part of my task was the include a RS Flip Flop into my circuit. So when the bulb (LED) comes on, it latches on and stays on until the circuit is reset.
I have no idea where to start with this, so any help will be greatly appreciated!
Thanks,
Joel
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12th April 2012 10:20 PM Thread Starter #2joelwalker71
0
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17th April 2012 04:47 AM #3electronic novice
In order to create a logic circuit you have to map down your table using K-map. Q is an input variable which is 0 and 1 if you hang it or not when your using a breadboard and since you have 3 variable excluding Q you have to use 3 RS flip-flops. In the case of the NAND gates it means you cant use any gates in connecting the outputs of the flip flops (that is the equation you obtained in mapping) except for NAND gates.
0Last edited by electronic novice; 17th April 2012 at 05:00 AM.
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