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This article introduces the knowledge of "which logic components are used most widely in computers". Many people will encounter this dilemma in the operation of actual cases. next, let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

The logic components used in the most widely used computers are large-scale and very large-scale integrated circuits, which are integrated circuits that combine a large number of transistors into a single chip.

Operating environment of this article: Windows7 system, DELL G3 computer

What are the logical components used in the most widely used computers?

The logic components used in the most widely used computers are large-scale and very large-scale integrated circuits.

"very large-scale integrated circuits (Very Large Scale Integration Circuit,VLSI) are integrated circuits that combine a large number of transistors into a single chip." The simple understanding is that there are large-scale transistors on a chip. The scale here does not refer to the size of the chip, but to the complexity of the chip.

Logic element or logic circuit (logical circuit) is a component (circuit) with logic function, also known as gate circuit. Common "and" doors, "or" doors, "non" doors, "and" non "doors and" or "doors and so on. These gates can be used to form various logic function circuits needed by electronic computers.

Different logic elements have different design characteristics. These characteristics vary with CMOS, TTL, and ECL. These characteristics include energy consumption of input power supply, speed / energy relationship, packaging form, edge change rate and voltage drift. Some logic elements have internal edges that control internal logic gates.

Changing the clock offset circuit in order to maintain accurate transmission delay.

A feasible way to reduce EMI and improve signal quality is to select logic elements with the slowest speed as far as possible, while maintaining appropriate timing tolerance and using components with rise time greater than 5 ns as far as possible. In general, do not use components that are faster than the actual or timing requirements of the circuit.

When selecting logic elements, most engineers focus on their function, running speed and transmission delay of internal logic gates, and seldom pay attention to the electromagnetic effect of logic elements. But the actual situation is that when the running speed of the element is accelerated, with the decrease of the internal transmission delay, the radio frequency current will increase, resulting in crosstalk and ringing.

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