Set/Reset Latch (SR/S-R Latch)
- is an asynchronous Latch
- can be created with two NOR gates that have a cross-feedback loop
SR Latch - Variants
- SR NOR Latch
- SR NAND Latch
- SR AND-OR Latch
- JK Latch
SR Latch - Architecture
/sr-latch-architecture.png)
SR Latch - Truth Table
|
S |
R |
Q |
Q |
|---|---|---|---|
|
0 |
0 |
Latched |
Latched |
|
0 |
1 |
0 |
1 |
|
1 |
0 |
1 |
0 |
|
1 |
1 |
0 |
0 |