PCF8574TS/3,118 by NXP Semiconductors Design and production,in Ruishengda Information Technology Co., Limited Spot sales,And can pass Ruishengda Information Technology Co., Limited Purchasing。PCF8574TS/3,118 Price reference $ 0.504000。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