\[ \newcommand{\bx}{\bar{x}} \newcommand{\by}{\bar{y}} \newcommand{\bz}{\bar{z}} \newcommand{\bA}{\bar{A}} \newcommand{\bB}{\bar{B}} \newcommand{\bC}{\bar{C}} \newcommand{\bD}{\bar{D}} \newcommand{\bE}{\bar{E}} \]

ECE 275: Sequential circuits

Website: https://vikasdhiman.info/ECE275-Sequential-Logic/

Announcemnts

  • Reading assignment Read 5.1 through 5.7
  • HW 5 will be posted today and due next Monday at 9 AM before class.

So far

  • So far: Combinational circuits
  • Next: sequential circuits

Feedback loops

Feedback loops

Sequential circuits

CombinationalSequential
K-mapK-map
Timing diagramTiming diagram
Circuit diagramCircuit diagram
Truth tableCharacteristic table
EquationCharacteristic equation

Bistable

Set-Reset latch

Set-Reset latch

Set-Reset latch

\[ Q_a(t+\epsilon) = \overline{R(t)}[S(t) + Q_a(t)] \]

Switch debouncing

Gated S-R latch

Gated S-R latch

Gated D-latch

Gated D-latch

Thanks, Questions, Feedback?

https://vikasdhiman.info/ECE275-Sequential-Logic/