CIC9140--the microcomputer dialing integrated circuit

Published:2011/7/13 10:26:00 Author:Borg | Keyword: microcomputer dialing, integrated circuit | From:SeekIC

CIC9140 is the microcomputer dialing integrated circuit,which is widely used in all types of phones.1.function featuresCIC9140 contains the dual audio/pulse compatible with dialing circuit, key switch signal encoding/decoding circuits and so on.2.pin functions and dataThe pin functions and data of CIC9140 is shown in table 1. Table 1 pin functions and data of CIC9140



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