LT1054CP by Texas Instruments(TI) Design and production,in Shenzhen Yirenxin Technology Co., Ltd. Spot sales,And can pass Shenzhen Yirenxin Technology Co., Ltd. Purchasing。LT1054CP Price reference $ 2.840000。LT1054CP - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information LT1054CP Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial