TYN840RG by STMicroelectronics Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。TYN840RG Price reference $ 3.520000。TYN840RG - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TYN840RG Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial