What is IC 74150?
The DM74150 selects one-of-sixteen data sources. The DM74150 has a strobe input which must be at a LOW logic level to enable these devices. A HIGH level at the strobe forces the W output HIGH and the Y output (as applicable) LOW.
How many select lines does a 16 to 1 MUX have?
4 selection lines
16×1 Multiplexer We know that 8×1 Multiplexer has 8 data inputs, 3 selection lines and one output. Whereas, 16×1 Multiplexer has 16 data inputs, 4 selection lines and one output.
What is the function of strobe?
In computer or memory technology, a strobe is a signal that is sent that validates data or other signals on adjacent parallel lines. In memory technology, the CAS (column address strobe) and RAS ( row address strobe ) signals are used to tell a dynamic RAM that an address is a column or row address.
How many data select lines are required for selecting 16 input?
So the number of select lines will be 4.
What is IC 74155?
Description : 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. To enable a section, we have to connect the corresponding strobe input to ground.
How does a demux work?
The demultiplexer takes one single input data line and then switches it to any one of a number of individual output lines one at a time. The demultiplexer converts a serial data signal at the input to a parallel data at its output lines as shown below.
What is an active low signal?
Active LOW means that a 0 V level is considered to be a logic 1 . For instance, consider a logic input tied high using a pullup resistor and pulled to ground through a pushbutton switch. Whenever the switch is not pressed, the input is at the pullup voltage, 5 V for example.
How do muxes work?
A multiplexer is a system of multiple inputs and just one output to receive signals coming from multiple acquisition networks. The device transfers all input signals to a microprocessor, which receives and processes the data, transmits it to the output devices, and controls the system as a whole.