How many inputs and outputs does 74138 have?
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*.
What is demultiplexer in decoder?
A De-Multiplexer routes an input signal to multiple output signals. 2. Input/Output. A Decoder has ‘n’ input lines and maximum of 2n output lines. A De-Multiplexer has single input, ‘n’ selection lines and maximum of 2n outputs.
What is the difference between demultiplexer and encoder?
Characteristic of Decoder and a Demultiplexer – A decoder takes n input lines and produces 2^n output lines, unlike an encoder which takes 2^n input lines and produces n output lines. A Demultiplexer transmits data from one line to 2^n possible output lines, where the output line is determined by n select lines.
What are the application of demultiplexer?
Demultiplexer is used to connect a single source to multiple destinations. The main application area of demultiplexer is communication system, where multiplexers are used. Most of the communication system are bidirectional i.e., they function in both ways (transmitting and receiving signals).
What is 74LS157?
74LS157 Quad 2 To 1 Line Multiplexer is a part of the 74XXYY IC series. The 74LS150 IC has a wide range of working voltage, a wide range of working conditions, and directly interfaces with CMOS, NMOS, and TTL.
How is IC 74138 activated?
This 74LS138 IC has 3-binary select inputs like A, B, & C. If the IC is activated, then these input pins will decide which of the 8 usually HIGH o/ps will go LOW. The enable pins are two active low & one active high.
What is 74LS138 IC?
The IC 74LS138 is a 3 to 8 line decoder integrated circuit from the 74xx family of transistor-transistor-logic-gates. The main function of this IC is to decode otherwise demultiplex the applications. The setup of this IC is accessible with 3-inputs to 8-output setup.
What are the types of demux?
The different types of demultiplexers are 1-8 Demux, 1-16 Demux, 1-32 Demux. In demultiplexer, the selection of output line can be controlled through n-selection lines bit values.