SC9200B

SC9200 DTMF GENERATOR WITH MICRO-PROCESSOR INTERFACE DESCRIPTION The SC9200 tone generators are designed for µC interfaces. They can be instructed by a µC to generate 16 dual tones and 8 single tones from the DTMF pin. The SC9200A/AS provides a serial mode whereas the SC9200B/BS contains a selectable serial/parallel mode interface for various applications DIP-8 SOP-8 FEATURES * Operating voltage: 2.0V~5.5V * Serial mode for the SC9200A/AS * Serial/parallel mode for the SC9200B/BS * Low standby current * Low total harmonic distortion * 3.58MHz crystal or ceramic resonator APPLICATIONS * Security systems * Home automation * Remote control through telephone lines * Communication system, etc. DIP-14 SOP-14 ORDERING INFORMATION Part No. SC9200A SC9200B SC9200AS SC9200BS Package DIP-8-300-2.54 DIP-14-300-2.54 SOP-8-225-1.27 SOP-14-225-1.27 BLOCK DIAGRAM HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:2.0 2004.08.03 Page 1 of 10 SC9200 ABSOLUTE MAXIMUM RATI...