1、 According to the number of microelectronic devices integrated on a chip, integrated circuits can be divided into the following categories:
Small scale integration (SSI) has less than 10 logic gates or less than 100 transistors.
There are 11-100 logic gates or 101-1k transistors in the medium scale integration (MSI).
Large scale integration (LSI) has 101-1k logic gates or 1001-10k transistors.
There are 1001-10k logic gates or 10001-100k transistors in very large scale integration (VLSI).
There are 10001-1m logic gates or 100001-10m transistors in ULSI (ultra large scale integration).
Glsi (English full name: Giga scale integration) has more than 10000001 logic gates or more than 10000001 transistors.
2、 Classification by functional structure: integrated circuits can be divided into analog integrated circuits and digital integrated circuits according to their functions and structures.
3、 Classification by manufacturing process: integrated circuits can be divided into monolithic integrated circuits and hybrid integrated circuits according to manufacturing process. Hybrid integrated circuits can be divided into thick film integrated circuits and thin film integrated circuits.
4、 According to different conductivity types, integrated circuits can be divided into bipolar integrated circuits and unipolar integrated circuits according to conductivity types. Bipolar integrated circuits have complex manufacturing processes and large power consumption. The representative integrated circuits include TTL, ECL, HTL, lst-tl, sttl, etc. Unipolar integrated circuits have simple manufacturing process, low power consumption and are easy to make large-scale integrated circuits. Representative integrated circuits include CMOS, NMOS and PMOS.
5、 Classification by use: integrated circuits can be divided into integrated circuits for television, audio, video disc player, video recorder, computer (microcomputer), electronic organ, communication, camera, remote control, language, alarm and various special integrated circuits.
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