TLC555CDR by Texas Instruments Design and production,in Xiongsheng Micro Technology (Hong Kong) Co., Ltd. Spot sales,And can pass Xiongsheng Micro Technology (Hong Kong) Co., Ltd. Purchasing。TLC555CDR Price reference $ 0.393820。TLC555CDR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TLC555CDR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial