| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | DN74LS22 | Dual 4-input NAND Gate | 44K |
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| 2 | DN74LS221 | Logic IC | 267K |
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| 3 | DN74LS221D | Logic IC | 267K |
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| 4 | DN74LS221S | Logic IC | 267K |
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| 5 | DN74LS221SD | Logic IC | 267K |
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| 6 | DN74LS22S | Dual 4-input NAND Gate | 44K |
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