EE101Lecture13

EE101Lecture13 - Mark Redekopp, All rights reserved...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Mark Redekopp, All rights reserved Introduction to Digital Logic Lecture 13: Multiplexers Demultiplexers Mark Redekopp, All rights reserved Cascading Muxes Use several small muxes to build large ones Rules 1. Arrange the muxes in stages 2. Outputs of 1 stage feed to inputs of the next 3. All muxes in a stage connect to the same group of select bits Usually, LSB connects to first stage MSB connect to last stage Mark Redekopp, All rights reserved Building a 4-to-1 Mux I 1 Y S I I 1 Y S I I 1 Y S I Stage 1 Stage 2 S 1 S S Y D D 1 D 2 D 3 S 1 S 4-to-1 mux built w/ 2-to-1 muxes Rule 1: Outputs from stage 1 connect to inputs of stage 2 Rule 2: LSB S connect to all muxes in first stage. MSB S 1 connects to all muxes in second stage Mark Redekopp, All rights reserved Building a 4-to-1 Mux I 1 Y S I I 1 Y S I I 1 Y S I Stage 1 Stage 2 S 1 S S Y D D 1 D 2 D 3 S 1 S S 1 S Y D 1 D 1 1 D 2 1 1 D 3 Walk through an example: S 1 S = 01 1 Mark Redekopp, All rights reserved...
View Full Document

Page1 / 16

EE101Lecture13 - Mark Redekopp, All rights reserved...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online