LR4087 microcomputer dial IC diagram

Published:2011/8/11 20:06:00 Author:Ecco | Keyword: microcomputer dial IC | From:SeekIC

LR4087 is a micro-computer dial integrated circuit, which is used in communication equipment as dial-up circuit. LR4087 integrated circuit contains two-tone dialing generator, keyboard switch codec circuit, squelch control circuit. LR4087 IC uses 16-pin dual in-line package, and the integrated circuit pin functions and data are listed in Table 1.



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