An 集積回路（IC） is a compact electronic circuit formed from multiple components, including transistors, resistors, capacitors, and diodes, all integrated onto a single semiconductor substrate, typically silicon. This technology revolutionized electronics by enabling the miniaturization of circuits, leading to the development より小型で効率的なデバイスの実現につながる。
IC can be classified into two main categories: analog and digital. Analog ICs handle continuous signals and are used in applications like amplifiers and oscillators. Digital ICs, on the other hand, process binary signals and are foundational to modern computing, including microprocessors and memory チップ。
The advantages of Integrated Circuits include improved reliability due to fewer interconnections, reduced size and weight, and enhanced performance due to the close proximity of components. As a result, ICs are integral to a wide range of applications, from everyday consumer electronics such as smartphones and computers to critical aerospace and medical 装置。
Since their invention in the 1950s, Integrated Circuits have undergone significant advancements, leading to the development of 超大規模集積回路 統合 （VLSI） and 超超大規模集積（ULSI） technologies. These advancements have enabled the incorporation of millions, even billions, of transistors on a single chip, fueling the rapid growth of the digital age.