What is IC 74155?

IC 74155 is a dual 1:4 line demultiplexer with individual strobe inputs. It has common binary address inputs (A, B and C) and it is available in single 16 pin package. the data applied to input IC is inverted at its output and that applied at pin number 15 is not inverted through the output.

What is the function of pin No 1 in IC 74ls155?

The IC 74LS155 is smaller in size and it has a much faster speed which makes it reliable in every kind of device….74LS155 Pin Configuration.

Pin No Pin Name Description
1 Ea’ Active Low Enable Pin Ea’
2 Ea’ Active Low Enable Pin Ea’
3 A1 Address Input Pin
4 O3a’ Active Low Output Pin

What is the function of pin 2 3 and 5 of IC 74155?

It has common binary address inputs (A,B and C) and it is available in single 16 pin package. To enable a section , we have to connect the corresponding strobe input the ground the data applied to input IC is invested it’s output and that applied at pin number 15 is not inverted through the output .

What is a 1/4 demultiplexer?

A 1-to-4 demultiplexer has a single input (D), two selection lines (S1 and S0) and four outputs (Y0 to Y3). The input data goes to any one of the four outputs at a given time for a particular combination of select lines.

What is the function of IC 74138?

74138 is used to generate chip signals.

What is the function of IC 74151?

The TTL/MSI SN54/74LS151 is a high speed 8-input Digital Multiplexer. It provides, in one package, the ability to select one bit of data from up to eight sources. The LS151 can be used as a universal function generator to generate any logic function of four variables.

What is meant by demultiplexer?

: an electronic device that separates a multiplex signal into its component parts.

How many OR gates are required for a 1 to 8 demultiplexer?

How many AND gates are required for a 1-to-8 multiplexer? Explanation: The number of AND gates required will be equal to the number of outputs in a demultiplexer, which are 8.

What is IC 74318?

We take the popular 3 to 8 decoder Integrated Circuit 74138. The Integrated Circuit is of 16 pins. We have three input pins which are actively in high state and are classified as I2, I1 and I0. The outputs are actively in low state and are eight in number and are classified as O7*, O6*, …, O0*.

In which IC pin number 3 6 8 and 11 are act as output pins?

NAND gate IC
(For example in a NAND gate IC, pin numbers 1, 2, 4, 5, 9 10, 12, 13 are inputs and 3, 6, 8 and 11 are outputs).

What is the demultiplexer IC 74154 used for?

The IC 74154 and IC 74155 are the demultiplexer ICs, which perform 1-to-16 demux operation and 1-to-4 demux operations respectively. The demultiplexers are used along with multiplexers.

Which is the demultiplexer IC in the circuit diagram?

The IC 74154 and IC 74155 are the demultiplexer ICs, which perform 1-to-16 demux operation and 1-to-4 demux operations respectively.

How is demultiplexer used in a 1 : 8 demux?

Using two 1:4 demux, let us built 1:8 demux. While doing so, the data input D in is common for both 1:4 demuxes. Common select lines B and C are connected to both the demuxes. The most significant bit A is given to both demuxes, in such a way that, when A = 0, the demultiplexer at the top will be enabled.

How is demultiplexer used in serial to parallel converter?

Demultiplexer is also used in serial to parallel converter. In this process, serial data has been connected as input to the demultiplexer at a regular interval. In addition, a counter is attached as control input to the Demultiplexer to detect the data signal of Demultiplexer outputs.