TMS27C256-12JL by TI Design and production,in CHUNG ZE Internation Technology Limited Spot sales,And can pass CHUNG ZE Internation Technology Limited Purchasing。TMS27C256-12JL Price reference $ 1.120000。TMS27C256-12JL - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TMS27C256-12JL Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial