UM91215A/C microcomputer single chip dialing integrated circuit diagram

Published:2011/5/5 8:46:00 Author:Nicole | Keyword: microcomputer, single chip dialing | From:SeekIC

UM91215A, UM91215C are microcomputer single chip dialing integrated circuit, as dialing circuit, it is used in communication equipment. UM91215A adopts 16-foot dual in-line package, UM91215C adopts 18-foot dual in-line package, the later ① foot is hands free control singal output terminal, (18) foot is hands free control singal input terminal. UM91215A integrated circuit's pin function and data are shown in the excel 1-1.



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