TLC1543CFNR by Texas Instruments(TI) Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。TLC1543CFNR Price reference $ 2.362500。TLC1543CFNR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TLC1543CFNR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial