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| Part Number | 74LS140 |
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| Manufacturer | BDTIC | |
| Short Description | LSTTL Dual 4-input NAND | |
| Long Description | 54LS140/74LS140 LSTTL 型双 4 输入与非 50Ω线驱动器 典型参数： tpd=12ns Pd=4.3mW/每门 逻辑符号： � |
Datasheet : 74LS140 |
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