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CD4081 is a CMOS quad 2-input AND gate. It is a part of the 4000 series of CMOS logic integrated circuits. This device is designed for high speed, low power, and high noise immunity applications. The CD4081 consists of four independent 2-input AND gates. Each gate performs the logic AND function. The output of each gate is high when both inputs are high, and low when either or both inputs are low. The CD4081 is suitable for a wide range of applications, including logic circuits, memory address decoding, data routing, and arithmetic operations. It is also used in digital signal processing, control systems, and instrumentation. (For reference only)