BAT74S by NXP(恩智浦) Design and production,in Hong Kong One Core Century Technology Co., Limited Spot sales,And can pass Hong Kong One Core Century Technology Co., Limited Purchasing。BAT74S Price reference $ 0。BAT74S - 。You can download Chinese information、Pin map、DatasheetData sheet function specification，In the information BAT74S Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial
