IC power-supply pin

Power supply connections for integrated circuits

IC power-supply pins denote a voltage and current supply terminals in electric, electronics engineering, and in integrated circuit design. Integrated circuits (ICs) have at least two pins that connect to the power rails of the circuit in which they are installed. These are known as the power-supply pins. However, the labeling of the pins varies by IC family and manufacturer. The double subscript notation usually corresponds to a first letter in a given IC family (transistors) notation of the terminals.

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