Master-slave JK flip-flop

2017-01-19

[public] 132K views, 4.07K likes, 15.0 dislikes audio only

An effective solution to the "racing" problem described in my previous video (https://youtu.be/st3mUEub99E) is the master-slave JK flip-flop which comprises two SR latches. In this video I explain how it works, build, and test it.

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You can get all the components used in this video from any online electronic components distributor (Jameco, Digikey, Mouser, etc).

Complete parts list (everything in this video):

- 1x 74LS02 (Quad 2-input NOR gate)

- 1x 74LS11 (Triple 3-input AND gate)

- 1x 74LS08 (Quad 2-input AND gate)

- 1x 74LS04 (Hex inverter)

- 4x LEDs

- 2x Momentary "Microtivity 6mm tact switch"

- 2x 1KΩ resistors

- 22 gauge wire

- 5 volt power source (e.g., a USB phone charger)

- Clock circuit from /youtube/video/kRlSFm519Bo