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SC9200A Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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1 / 9 page Silan Semiconductors SC9200A/B HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2001.02.02 1 DTMF GENERATORS DESCRIPTION The SC9200A/B 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 provides a serial mode whereas the SC9200B contains a selectable serial/parallel mode interface for various applications such as security systems, home automation, remote control through telephone lines communication system, etc. FEATURES * Operating voltage: 2.0V~5.5V * Serial mode for the SC9200A * Serial/parallel mode for the SC9200B * Low standby current * Low total harmonic distortion * 3.58MHz crystal or ceramic resonator DIP-8 SELECTION TABLE Function Part No. Operating Voltage OSC Frequency Interface Package SC9200A 2V-5.5V 3.58MHz Serial 8 DIP/SOP SC9200B 2V-5.5V 3.58MHz Serial/Parallel 14 DIP/SOP PIN CONFIGURATIONS 1 2 3 4 5 6 7 8 VDD DTMF DATA CLK VSS X1 X2 CE 14 13 12 11 10 9 7 8 VDD DTMF DATA CLK VSS X1 X2 CE 1 2 3 4 5 6 NC D0 D1 D3 D2 S/P |
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