Master-slave JK flip-flop

Watch on YouTube

Show annotations

Download is disabled.

85,752

1,643

11

Genre: Education

Family friendly? Yes

Wilson score: 0.9881

Rating: 4.9734 / 5

Engagement: 1.93%

Ben Eater

Subscribe | 457K

Shared January 19, 2017

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.

Support me on Patreon: https://www.patreon.com/beneater

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 https://youtu.be/kRlSFm519Bo