| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | 54F190 | Up/Down Decade Counter with Preset and Ripple Clock | 183K |
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| 2 | 54F190 | Up/Down Decade Counter with Preset and Ripple Clock | 183K |
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| 3 | 54F190DM | Up/Down Decade Counter with Preset and Ripple Clock | 183K |
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| 4 | 54F190DMQB | Synchronous Up/Down Counter | 238K |
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| 5 | 54F190FM | Up/Down Decade Counter with Preset and Ripple Clock | 183K |
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| 6 | 54F190FMQB | COUNTER|UP/DOWN|DECADE|F-TTL|FP|16PIN|CERAMIC | 19K |
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| 7 | 54F190LM | Up/Down Decade Counter with Preset and Ripple Clock | 183K |
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