ABBOTTABAD Lab Assignment#12

Subject: Industrial Electronics

Submitted By:

Naveed Mazhar FA09-BEE-143

Submitted To:

Sir Muhammad Sajjad Durani

Date: 29th

November, 2012

MULTIPLEXER A multiplexer is a digital switch which selects a single output from multiple (2ⁿ) inputs,

using (n) select lines.

Block Diagram (2ⁿ to 1 MUX):

Block diagram of a MUX is shown in following figure:

Truth Table & GATE LEVEL IMPLEMINTATION (4×1 MUX): A 4×1 MUX has 2 select lines, S0 & S1. Its truth table and circuit diagram is given by:

LADDER DIAGRAM: Ladder logic diagram of 4 to 1 MUX is given by: