| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 | 
|---|
| 1 | HD74LS247FPEL | BCD-to-Seven-Segment Decoder / Driver (with three-state outputs) | 114K | 
		     
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| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 | 
|---|
| 1 | HD74LS247FPEL | BCD-to-Seven-Segment Decoder / Driver (with three-state outputs) | 114K | 
		     
		 | 
		
		 
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