TLC074CD by Texas Instruments(TI) Design and production,in Shenzhen Yirenxin Technology Co., Ltd. Spot sales,And can pass Shenzhen Yirenxin Technology Co., Ltd. Purchasing。TLC074CD Price reference $ 3.010000。TLC074CD - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TLC074CD Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial