Logic ICs

Logic Integrated Circuits (ICs) perform operations on one or more binary inputs to generate binary outputs. There are two main families of logic ICs: TTL and CMOS. TTL, or Transistor Transistor Logic, circuits use bipolar transistors in their circuitry while CMOS circuits use field-effect transistors. A third logic family, BiCMOS (Bipolar CMOS), uses both technologies in combination. Each type of logic IC has its own advantages and disadvantages; for example, TTL is faster than CMOS but it also dissipates more power.

Logic ICs are used in many applications including robotics, computer networks, control systems, telecommunications and digital audio-visual equipment. In addition to their basic function as elements of logical operations, they can also be used for storage and memory functions and as amplifiers or multiplexers. The speed at which a logic IC operates depends on the number of gates it contains. The more gates, the faster the processing power. Logic ICs come in different package to suit the application. You'll find DIP (Dual Inline Packages), SOIC (Small Outline Integrated Circuits) and QFN (Quad Flat No-Lead), and others.

Logic ICs provide high input impedance which ensures accurate signal transfer without introducing any distortion or noise into a system’s output signals, while their low output impedance allows them to drive heavy loads with minimal losses.

Logic ICs

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