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Transcript
1.4 Integrated Circuits Integrated Circuit: A collection of one or more gates fabricated on a single silicon chip is called an integrated circuit (IC). 制作、构成 SSI: Small-scale integration ICs contain the equivalent of 1 to 20 gates MSI: Medium-scale integration ICs contain the equivalent of 20 to 200 gates LSI: Large-scale integration ICs contain the equivalent of 200 to 200,000 gates or more. small memories, microprocessors, programmable logic devices etc. Return Next 1.4 Integrated Circuits VLSI: Very Large-scale integration. The dividing line between LSI and very large-scale integration (VLSI) is fuzzy and tends to be stated in terms of transistor count rather than gate count. Any IC with over 1,000,000 transistors is definitely VLSI. In 1999, VLSI ICs with as many as 50 million transistors were being designed. Return Back
