TLC274BCDR by Texas Instruments(TI) Design and production,in Shenzhen Yirenxin Technology Co., Ltd. Spot sales,And can pass Shenzhen Yirenxin Technology Co., Ltd. Purchasing。TLC274BCDR Price reference $ 0.789750。TLC274BCDR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TLC274BCDR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial