TEAl021 microcomputer dialing IC diagram

Published:2011/8/15 21:26:00 Author:Ecco | Keyword: microcomputer dialing IC | From:SeekIC

TEA1021 series of microcomputer dialing integrated circuit is widely used in telephone communication. 1. Features and funcyionsTSA1O21 IC contains keyboard switch signal encoding and decoding circuit, dial-up signal processing circuit. 2. pin functions and data TEA1021 integrated circuit'spin functions and data are listed in Table 1-1.



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