IC Logic Gate CD4081BE Quad 2-Input And Gate

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The CD4081 is a four-AND gate CMOS chip. An AND gate is a logic gate that only produces a HIGH output when all of its inputs are HIGH. This Integrated Circuit (IC) contains four AND gates, each with two inputs. As a result, it is frequently referred to as a Quad 2-Input AND Gate. The CD4081 is part of the CD4000 IC series. The CD4081 is a Quad 2-Input With Gate built with complementary MOS (CMOS) technology and N- and P-channel enhancement mode transistors. They have equal source and sink current capacities and adhere to the B series output drive standard. The integrated circuit has several characteristics, including thermal overload prevention and strong noise immunity. Clamping diodes safeguard each input of the IC from static harm. CD4081 is small in size and simple to operate, making it suitable for use with any device.


  • Low power TTL compatibility:
    • Fan out of 2 driving 74L or 1 driving 74LS
  • 5V–10V–15V parametric ratings
  • Symmetrical output characteristics
  • Maximum input leakage 1 µA at 15V over full temperature range

Package Includes:

1 x IC Logic Gate CD4081BE Quad 2-Input and Gate

Pinout of the CD4081BE AND:

Pin Name Pin # Type Description
VDD 14 Power Supply Voltage (+3 to +15V)
GND 7 Power Ground (0V)
A1 to A4 1, 5, 8, 12 Input Inputs A of the four AND gates
B1 to B4 2, 6, 9, 13 Input Inputs B of the four AND gates
Q1 to Q4 3, 4, 10, 11 Output Outputs from the four AND gates

How AND gate Works?

An AND gate is one of the primary logic gates. It can have two or more inputs. It gives a HIGH output only when all of these inputs are HIGH. The basic AND gate have two inputs and you can see its symbol and truth table below.

Input AInput BOutput Q


CD4081B (Texas Instruments)
HEF4081B (Nexperia)