SN74HCS08DR by TI Design and production,in SEHOT CO., LIMITED Spot sales,And can pass SEHOT CO., LIMITED Purchasing。SN74HCS08DR Price reference $ 0.143749。SN74HCS08DR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information SN74HCS08DR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial