PCF8574TS/3,118 by NXP Semiconductors Design and production,in GUI XIN Group (Hong Kong) Limited Spot sales,And can pass GUI XIN Group (Hong Kong) Limited Purchasing。PCF8574TS/3,118 Price reference $ 0.705600。PCF8574TS/3,118 - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information PCF8574TS/3,118 Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial