What are the logical components used in the most widely used computers?
The most widely used logic components for computers are large-scale and very large-scale integrated circuits; a very large-scale integrated circuit is an integrated circuit that combines a large number of transistors into a single chip.
The operating environment of this article: Windows 7 system, DELL G3 computer
What are the logical components used in the most widely used computers?
The most widely used logic components used in computers are large-scale and very large-scale integrated circuits.
"A Very Large Scale Integration Circuit (VLSI) is an integrated circuit that combines a large number of transistors into a single chip." A simple understanding is that there are large-scale transistors on a chip. The large scale here does not refer to the chip volume, but to the complexity of the chip.
Logic components or logic circuits (logical circuits) are components (circuit) with logical functions, also called gate circuits. Common ones include "AND" gate, "OR" gate, "NOT" gate, "NAND" gate and "NOR" gate, etc. These gates can be used to form various logic function circuits required by electronic computers.
Different logic components have different design characteristics. These characteristics vary with CMOS, TTL and ECL. These characteristics include input power consumption, speed/energy relationship, package format, edge rate and voltage drift values. Some logic elements have clock offset circuitry that controls the internal edge
changes of the internal logic gates in order to maintain accurate propagation delays.
A feasible way to reduce EMI and improve signal quality is to select the slowest logic components possible while maintaining appropriate timing tolerances, and try to use components with a rise time greater than 5 ns. As a general rule, do not use components that are faster than the circuit actually needs or the timing requires.
When most engineers choose logic components, they focus on their function, operating speed, and transmission delay of internal logic gates. They rarely focus on considering the electromagnetic effects of logic components. But the actual situation is that when the operating speed of components increases, as the internal transmission delay decreases, the RF current will increase, leading to the occurrence of crosstalk and ringing.
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