1 / 22

Sequential Design

EMT 221 Digital Principles II. Sequential Design. Examples. Flip-Flop Characteristic Table. Flip-Flop Excitation Tables. Examples Using D-Flip-flop. Example 1. D-Flip-flop. From State Table  Derive Equation. Q(t). Q(t+1). Then.. Produce the Schematic. Example 2. D-Flip-flop.

cbarrows
Download Presentation

Sequential Design

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. EMT 221 Digital Principles II Sequential Design Examples

  2. Flip-Flop Characteristic Table

  3. Flip-Flop Excitation Tables

  4. Examples Using D-Flip-flop

  5. Example 1 D-Flip-flop

  6. From State Table  Derive Equation Q(t) Q(t+1)

  7. Then.. Produce the Schematic

  8. Example 2 D-Flip-flop

  9. State table for Circuit of Fig 4.18

  10. The Flip-flop Input Equations DA = (AX +BX) Equations for FF inputs DB = A.X Y = ( A+B ) . X - Equation for output Y • Subscripts A and B: names of FF outputs.

  11. How to derive the flip-flop output equations as well as for output Y?

  12. Two-Dimensional State Table for the Circuit in Figure 4.18

  13. Example 2: D Flip-flop Design DA = (AX +BX) DB = A.X Y = ( A+B ) . X

  14. Example 3 D-Flip-flop

  15. State Diagram for Design Example

  16. State Table for Design Example

  17. Maps for Input Equations and Output Y

  18. Logic Diagram for Sequential Circuit with D Flip-Flops

  19. Example 4 D-Flip-flop

  20. State Table

  21. Maps for Simplifying Input Equations

  22. The sCheMatiC…

More Related