PIC16F74-I/P by Microchip Design and production,in Sunli LLC Spot sales,And can pass Sunli LLC Purchasing。PIC16F74-I/P Price reference $ 4.400000。PIC16F74-I/P - 。You can download PIC16F74-I/P Chinese information、Pin map、DatasheetData sheet function specification,In the information PIC16F74-I/P Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial