ATTINY85-20SF by Microchip Design and production,in DES TECHINOLOGY(HK)LIMITED Spot sales,And can pass DES TECHINOLOGY(HK)LIMITED Purchasing。ATTINY85-20SF Price reference ¥ 9.535103。ATTINY85-20SF - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information ATTINY85-20SF Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial