TLC274CPWR by Texas Instruments(TI) Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。TLC274CPWR Price reference $ 0.690200。TLC274CPWR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TLC274CPWR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial