4 Input And Gate Ic. Features and benefits low power dissipation complies with jedec standard no. 3 input positive and gate with open collector output.
As you select one or more parametric filters below smart filtering will instantly disable any unselected values that would cause no results to be found. Features and benefits low power dissipation complies with jedec standard no. The 74hc21 is a dual 4 input and gate.
This enables the use of current limiting resistors to interface inputs to voltages in excess of vcc.
An and gate is a logic gate that gives a high output only when all its inputs are high. The 74ls20 ic package contains two independent positive logic 4 input nand gates. The 74ls21 ic package contains two independent positive logic 4 input and gates belonging to the 74xxyy ttl ic series. The output of the ic always comes in ttl which makes it easy to work with other ttl devices and microcontrollers.
