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|注册
| 选择 | 型号 | 操作 | 更新时间 |
|---|---|---|---|
 HD74LS48 | 2025-06-09 | ||
| HD74LS490P | 2023-01-04 | ||
| HD74LS51 | 2023-01-04 | ||
| HD74LS54 | 2023-01-04 | ||
| HD74LS55 | 2025-05-14 | ||
| HD74LS640 | 2023-01-04 | ||
| HD74LS640-1 | 2023-01-04 | ||
| HD74LS641 | 2023-01-04 | ||
| HD74LS641-1 | 2023-01-04 | ||
| HD74LS642 | 2023-01-04 | ||
| HD74LS642-1 | 2023-01-04 | ||
| HD74LS645 | 2023-01-04 | ||
| HD74LS645-1 | 2023-01-04 | ||
| HD74LS668 | 2023-01-04 | ||
| HD74LS669 | 2023-01-04 | ||
| HD74LS670 | 2023-01-04 | ||
| HD74LS73 | 2023-07-26 | ||
| HD74LS73A | 2023-01-04 | ||
| HD74LS74 | 2024-11-08 | ||
| HD74LS75 | 2023-01-04 |
