TLC272CDR by Texas Instruments(TI) Design and production,in Shenzhen Yirenxin Technology Co., Ltd. Spot sales,And can pass Shenzhen Yirenxin Technology Co., Ltd. Purchasing。TLC272CDR Price reference $ 0.505400。TLC272CDR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TLC272CDR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial