2020-12-04

[public] 1.84M views, 157K likes, 432 dislikes audio only

Sebastian Lague

Exploring some of the basics of computer memory: latches, flip flops, and registers!

Series playlist: https://www.youtube.com/playlist?list=PLFt_AvWsXl0dPhqVsKt1Ni_46ARyiCGSq

Simulation tool (work in progress): https://sebastian.itch.io/digital-logic-sim

Source code: https://github.com/SebLague/Digital-Logic-Sim

Support the channel: https://www.patreon.com/SebastianLague

Resources and Inspiration:

https://www.youtube.com/c/BenEater

https://www.coursera.org/learn/build-a-computer

https://en.wikipedia.org/wiki/Flip-flop_(electronics)#SR_NOR_latch

https://en.wikipedia.org/wiki/Sequential_logic

https://electronics.stackexchange.com/questions/65463/why-edge-triggering-is-preferred-over-level-triggering

https://tams.informatik.uni-hamburg.de/applets/hades/webdemos/16-flipflops/20-dlatch/dff-enable.html

Chapters:

00:00 Intro

00:33 Set-Reset Latch

04:33 Data Latch

05:56 Race Condition!

07:32 Breadboard Data Latch

09:36 Asynchronous Register

11:41 The Clock

13:03 Edge Triggered Flip Flop

14:18 Synchronous Register

16:48 Testing 4-bit Registers

18:25 Outro

Music:

"Frontier" by Shimmer

"A Quiet Place" by Jordan White

"Constellations" by Acreage

"Beyond the Horizon" by Sounds Like Sander

"Crystal Bursts" by Cody Martin

"When Rain Comes" by Tide Electric

"Air" by Assaf Ayalon

"Mallets of Mischief" by Rhythm Scott

Images:

https://upload.wikimedia.org/wikipedia/commons/8/87/TTL_flip-flop.svg