TL074IYDT by STMicroelectronics Design and production,in Shenzhen HYLX Technology Ltd. Spot sales,And can pass Shenzhen HYLX Technology Ltd. Purchasing。TL074IYDT Price reference $ 0.212350。TL074IYDT - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TL074IYDT Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial