ST7540
Interface
STMicroelectronicsBrandedST7540Integrated circuit electronic chips use1000Encapsulated, with a working temperature range of-40°C ~ 85°C,The voltage is5V ~ 9V,use28-SOIC(0.173",4.40mm 宽)裸露焊盘Packaging technology,nowST7540Chip inventory is19005individual。
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