LM293ADT by STMicroelectronics Design and production,in TanJiayuan Electronics Spot sales,And can pass TanJiayuan Electronics Purchasing。LM293ADT Price reference ¥ 4.966214。LM293ADT - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information LM293ADT Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial