| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | 74221 | Dual non-retriggerable monostable multivibrator with reset | 256K |
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| 2 | 74221 | High Speed CMOS Logic Dual Monostable Multivibrator with Reset | 67K |
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| 3 | 74221 | Dual Non-Retriggerable Monostable Multivibrator | 111K |
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| 4 | 74221 | Dual Monostable Multivibrators (with Schmitt Trigger Input) | 54K |
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