TLC274CPWR by Texas Instruments(TI) Design and production,in Shenzhen Yirenxin Technology Co., Ltd. Spot sales,And can pass Shenzhen Yirenxin Technology Co., Ltd. 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