SR Latch, Gated SR Latch, and Data Latch

In this video, I show how to build an SR latch, a gated SR latch, and a data latch using individual transistors.
0:00 Intro
0:29 Two Transistor SR Latch
1:04 OR Gate Latch
2:03 NOR Gate SR Latch
4:52 NAND Gate SR Latch
6:52 Gated SR Latch
9:27 Data Latch
11:18 Data Latch vs Data Flip Flop