Author Topic: Doing it the hard way: Making a JK Flip Flop with transistors.  (Read 1730 times)

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Offline Pageygeeza

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Doing it the hard way: Making a JK Flip Flop with transistors.
« on: January 11, 2014, 02:18:15 pm »
I've been messing about with the idea of making a fully functioning JK Flip Flop from Transistors, (just because I can).  I've got the logic sorted out and a rough transistor/resistor PCB layout.  I'll leave the pics at the bottom.

The thing is each logic gate consists of TTL, (so for a three input NAND there are three NPN transistors with 100k resistors for the inputs to the transistors and a 4.7k resistor from the positive side, with the output after the positive supply goes through the resistor.

Both images have the same logical layout.

Would this be good enough to construct the whole JK just from logic alone?

 


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