![10pcs/lot 74LS112 HD74LS112P SN74LS112N DIP 16 DUAL JK NEGATIVE EDGE TRIGGERED FLIP FLOP IC|Integrated Circuits| - AliExpress 10pcs/lot 74LS112 HD74LS112P SN74LS112N DIP 16 DUAL JK NEGATIVE EDGE TRIGGERED FLIP FLOP IC|Integrated Circuits| - AliExpress](https://ae01.alicdn.com/kf/H8952ca04291e47c387cc7351b804c27c2/10pcs-lot-74LS112-HD74LS112P-SN74LS112N-DIP-16-DUAL-JK-NEGATIVE-EDGE-TRIGGERED-FLIP-FLOP-IC.jpg_Q90.jpg_.webp)
10pcs/lot 74LS112 HD74LS112P SN74LS112N DIP 16 DUAL JK NEGATIVE EDGE TRIGGERED FLIP FLOP IC|Integrated Circuits| - AliExpress
Why does the JK flip-flop toggles on the 'negative edge' of its clock input when its inputs are connected to +v (i.e when j=1 , k=1)? - Quora
![digital logic - Edge triggering seems to me leaving every circuit in an inconsistent state? - Electrical Engineering Stack Exchange digital logic - Edge triggering seems to me leaving every circuit in an inconsistent state? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/RmgwO.png)
digital logic - Edge triggering seems to me leaving every circuit in an inconsistent state? - Electrical Engineering Stack Exchange
![This happens to be a negative edge triggered JK flip flop. I used boolean algebra and found D = E' and E = D'. Given the propagation delay I thought this was This happens to be a negative edge triggered JK flip flop. I used boolean algebra and found D = E' and E = D'. Given the propagation delay I thought this was](https://i.redd.it/cv6hms38j8051.jpg)
This happens to be a negative edge triggered JK flip flop. I used boolean algebra and found D = E' and E = D'. Given the propagation delay I thought this was
![digital logic - Edge triggering seems to me leaving every circuit in an inconsistent state? - Electrical Engineering Stack Exchange digital logic - Edge triggering seems to me leaving every circuit in an inconsistent state? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/Hafeh.png)