16 1 multiplexer pdf file

Few types of multiplexer are 2to 1, 4to 1, 8to 1, 16 to 1 multiplexer. The multiplexer used for digital applications, also called digital multiplexer, is a circuit with many input but only one output. You couldve easily found it on the internet if you searched. Makes suitable assumptions, if any 5m dec2005 multiplexer. Demultiplexers take one data input and a number of selection. Supported by our ebirst switching system test tools. The schematic on the right shows a 2to1 multiplexer on the left and an equivalent. Study of 16 to 1 line multiplexer demultiplexer design of combinational logic foundation of digital electronics and logic design pages. Since, each 8x1 multiplexer produces one output, we require a 2x1 multiplexer. Based on gate configuration, the fundamental difference between cmos and hcmos multiplexer. Following figure shows the general idea of a multiplexer with n input signal, m control signals and one output signal. The 4to1 multiplexer has 4 input bit, 2 control bits, and 1 output bit.

Few types of multiplexer are 2to1, 4to1, 8to1, 16to1 multiplexer. Basically, it switches between one of the many input lines and connects them one by one. Pdf efficient qca exclusive or and multiplexer circuits based on. Design a 32to 1 multiplexer using only 8to 1 multiplexer. A wide variety of 16 to 1 multiplexer options are available to you, such as. A high on either of the input enables forces the outputs high. When e is 0, neither of the input lines is transmitted. The 16 outputs o0 to o15 are mutually exclusive active low. Implementation of boolean function using multiplexers. The multiplexer component implements a 2 to 16 input mux. An example to implement a boolean function if minimal and dont care terms are given using mux.

Similarly, you can implement 8x1 multiplexer and 16x1 multiplexer by. A 2to1 mux with enable can be diagrammed in a way that hides its innerworkings as shown below. When e is 1 and s is 1, the bottom input line is transmitted. By applying control signals, we can steer any input to the output. A 2to 1 multiplexer has a boolean equation where and are the two inputs, is the. After synthesizing, five of them gave same rtl level circuit in xilinx project navigator. Thus, a demultiplexer is a 1 ton device where as the multiplexer is an nto 1 device. The selected line decides which ip is connected to the op, and also increases the. The alcatel 1664 sm synchronous adddrop multiplexer, is part of alcatels family of products that comply with the synchronous digital hierarchy sdh defined in the relevant itut recommendations. Multiplexer pin diagram understanding 4to1 multiplexer.

The output of multiplexer is controlled by combination of the four selector pins s0s3 that has 2 4 selection possibilities from 16 input pins. So, we require two 8x1 multiplexers in first stage in order to get the 16 data inputs. Construct 16 to 1 line multiplexer with two 8to 1 line multiplexers and one 2to 1 line multiplexer. The figure below shows the block diagram of a demultiplexer or simply a demux. Its purpose is to connect one of the inputs to the output line depending on a control signal. Multiplexer and demultiplexer circuits and apllications. Construct a 5to32 decoder using only 2to4 decoders and 3to8 decoders with enable.

Permission is granted to copy, distribute andor modify this document under the terms of the gnu free documentation license, version 1. In electronics, a multiplexer also known as a data selector, is a device that selects between. Homew ork 4 solution ics 151 digital logic design spring 2004 1. Browse over 30,000 products, including electronic components, computer products, electronic kits and projects, robotics, power. Another method of constructing vhdl 4 to 1 mux is by using 2 to 1 mux. Few types of multiplexer are 2to1, 4to1, 8to1, 16to1. In this tutorial i have used seven different ways to implement a 4 to 1 mux. For that implementation first we have write vhdl code for 2 to 1 mux and port map 3 times 2 to 1 mux to construct vhdl 4 to 1 mux. The block diagram of 4x1 multiplexer is shown in the. In electronics, a multiplexer or mux is a device that selects. Multiplexer is a combinational circuit that has maximum of 2n data inputs. A multiplexer or mux is a device that has many inputs and a single output.

The max14661 is a serially controlled, dualchannel analog multiplexer allowing any of the 16 pins to be connected to either common pin simultaneously in any combination. Multiplexing and multiplexer multiplexer implementation. Highspeed cmos logic 16channel analog multiplexer and. The vee pin is for enable which is an active low pin so we have to ground it to enable this ic. It decodes four binary weighted address inputs a0 to a3 to sixteen mutually exclusive outputs y0 to y15. The following example does not generate a 4to 1 1 bit mux, but 3to 1 mux with 1. A multiplexer is a digital combinational logic circuit with n inputs and one output. When e is 1 and s is 0 the top input line is transmitted. Digital multiplexer digital demultiplexer up to 16 channels general description the multiplexer component is used to select 1 of n inputs while the demultiplexer component is used to route 1 signal to n outputs. Whereas, 16x1 multiplexer has 16 data inputs, 4 selection lines and one output. Mc74hc251ad 8input data selector multiplexer with 3state outputs high.