| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | HD74HC221 | Dual Monostable Multivibrators (with Schmitt Trigger Input) | 54K |
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| 2 | HD74HC221 | Dual Monostable Multivibrators (with Schmitt Trigger Input) | 105K |
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| 3 | HD74HC221AFP | Logic IC | 260K |
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| 4 | HD74HC221AP | Logic IC | 260K |
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| 5 | HD74HC221FPEL | Dual Monostable Multivibrators (with Schmitt Trigger Input) | 105K |
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| 6 | HD74HC221P | Dual Monostable Multivibrators (with Schmitt Trigger Input) | 105K |
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