ST485CDR by STMicroelectronics Design and production,in Shenzhen Jungu Technology Electronics Co., Ltd. Spot sales,And can pass Shenzhen Jungu Technology Electronics Co., Ltd. Purchasing。ST485CDR Price reference $ 1.162000。ST485CDR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information ST485CDR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial