| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | HD74HCT74A | Dual D-type Positive Edge-triggered Flip Flops with Clear and Preset | 59K |
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| 2 | HD74HCT74AFP | FLIP-FLOP|DUAL|D TYPE|HCT-CMOS|SOP|14PIN|PLASTIC | 57K |
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| 3 | HD74HCT74AT | FLIP-FLOP|DUAL|D TYPE|HCT-CMOS|TSSOP|14PIN|PLASTIC | 57K |
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