Now, the thing to remember is that we are using a CD4512 chip, whose truth table is shown below. The important thing to note here is that, in addition to the three multiplexer select controls, A, B, ...
The 74HC158 is a quad two-input multiplexer that features low power dissipation, inverting data path, and ESD protection. The device selects 4 bits of data from two sources and are controlled by a ...