NE555PWR by Texas Instruments(TI) Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。NE555PWR Price reference $ 0.110550。NE555PWR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information NE555PWR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial