Tristate device is 3 terminal device & it has three states. They are logic 0, logic 1 & high impedance state or tristate. This device can be used as switch. For ON logic 0 or logic 1 (depending on active low or active high appl) OFF as high independence state.
In Digital two states known as '0' & '1'. Apart from these two we have another state that known as "Tristate".i.e. In digital '0' for 0V to max of 0.4 to 0.8 V. &...