Circuit board production manufacturer identification IC tag and pin sequence method

by:Rocket PCB     2020-06-18
Circuit board production manufacturer identification IC tag and pin sequence method has a lot of kinds, dongguan Rocket PCB circuit board manufacturer below small make up together with all of you know about the order of several tags and pin repeat identification method is as follows: 1, IC has gap signal: curved notch located at one end of the IC, PCB production manufacturer identification pin sequence identification method is, to face the model integrated piece of shell on the target, under the curved notch then 1 leg left for 1 foot of the integrated circuit, starting with the pin in turn counterclockwise direction is 2 feet, 3 feet, 4 feet, etc. Double bind circuit board production 2, with dot logo: namely, circular depressions, small circle, color tag, dual in type and single upright type of integrated circuits, circuit board production manufacturer to identify more with the tag identification, the pin of the IC identification mark and model are standard in the shell of the same plane. Its pin order, face up to the model of integrated block, circular pits ( Article or small circle, color) Then the left under the first foot for the integrated circuit of 1 foot. For integrated block patch type, starting from 1 foot along the counterclockwise direction, followed by 2 feet, 3 feet, 4 feet, etc. 3, with text identifier ( Look first on the left foot of IC bottom pin is '1') : there are a few integrated circuits, shell without various tags described above, and only production manufacturer to identify the model of integrated circuit, the circuit boards of the integrated circuit pin number for identification, should be the integration block bearing model, on the side of face model, its left foot 1 1 foot position for integrated circuits, and then along the counterclockwise count, in turn, is 2 feet, 3 feet, etc. Circuit board production factory in dongguan Rocket PCB circuit identification IC tag and pin sequence method is several kinds of the above, there are more method is welcome at any time to communicate.
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