TLC2274CN by TI Design and production,in CHUNG ZE Internation Technology Limited Spot sales,And can pass CHUNG ZE Internation Technology Limited Purchasing。TLC2274CN Price reference $ 1.120000。TLC2274CN - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TLC2274CN Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial