Electrical Engineering › Section U · Sequential logic › Topic U.1
Latches and flip-flops
Feed a gate's output back to the input of another and the circuit starts to remember. Latches and flip-flops are the one-bit memories that every register, counter and processor is built from.
In this topic
- Memory from feedback
- The S-R latch
- Worked example: tracing a NOR latch
- Gated latches and the D latch
- Edge-triggered flip-flops
- The J-K flip-flop
- Worked example: a J-K sequence
- Preset, clear, and timing limits
- Worked example: how fast can the clock run?
- Flip-flop applications
- Common mistakes to avoid
- Key takeaways
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