| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | CD54HC190 | HIGH-SPEED CMOS LOGIC(PRESETTABLE SYNCHRONOUS 4-BIT UP/DOWN COUNTERS) | 299K |
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| 2 | CD54HC190 | SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL | 628K |
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| 3 | CD54HC190 | HIGH SPEED CMOS LOGIC | 301K |
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| 4 | CD54HC190E | Logic IC | 583K |
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| 5 | CD54HC190EN | Logic IC | 583K |
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| 6 | CD54HC190F | Logic IC | 583K |
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| 7 | CD54HC190F3A | SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL | 628K |
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| 8 | CD54HC190M | Logic IC | 583K |
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