| 序号 | 芯片名称 | 代换型号 |
|---|---|---|
| 1 | SN74LS640JDS | ECG74LS640 M74LS640-1P MB74LS640 MB74LS640M N74LS640-1F N74LS640-1N N74LS640F N74LS640N NTE74LS640 SN74LS640 SN74LS640J SN74LS640JD SN74LS640JDS SN74LS640JS SN74LS640N SN74LS640ND SN74LS640NDS SN74LS640NS TCG74LS640 |
| 2 | SN74LS640JS | ECG74LS640 M74LS640-1P MB74LS640 MB74LS640M N74LS640-1F N74LS640-1N N74LS640F N74LS640N NTE74LS640 SN74LS640 SN74LS640J SN74LS640JD SN74LS640JDS SN74LS640JS SN74LS640N SN74LS640ND SN74LS640NDS SN74LS640NS TCG74LS640 |
| 3 | SN74LS640N | ECG74LS640 M74LS640-1P MB74LS640 MB74LS640M N74LS640-1F N74LS640-1N N74LS640F N74LS640N NTE74LS640 SN74LS640 SN74LS640J SN74LS640JD SN74LS640JDS SN74LS640JS SN74LS640N SN74LS640ND SN74LS640NDS SN74LS640NS TCG74LS640 |
| 4 | SN74LS640ND | ECG74LS640 M74LS640-1P MB74LS640 MB74LS640M N74LS640-1F N74LS640-1N N74LS640F N74LS640N NTE74LS640 SN74LS640 SN74LS640J SN74LS640JD SN74LS640JDS SN74LS640JS SN74LS640N SN74LS640ND SN74LS640NDS SN74LS640NS TCG74LS640 |
| 5 | SN74LS640NDS | ECG74LS640 M74LS640-1P MB74LS640 MB74LS640M N74LS640-1F N74LS640-1N N74LS640F N74LS640N NTE74LS640 SN74LS640 SN74LS640J SN74LS640JD SN74LS640JDS SN74LS640JS SN74LS640N SN74LS640ND SN74LS640NDS SN74LS640NS TCG74LS640 |
| 6 | SN74LS640NS | ECG74LS640 M74LS640-1P MB74LS640 MB74LS640M N74LS640-1F N74LS640-1N N74LS640F N74LS640N NTE74LS640 SN74LS640 SN74LS640J SN74LS640JD SN74LS640JDS SN74LS640JS SN74LS640N SN74LS640ND SN74LS640NDS SN74LS640NS TCG74LS640 |
| 7 | SN74LS641 | ECG74LS641 M74LS641-1P MB74LS641 MB74LS641M N74LS641-1F N74LS641-1N N74LS641F N74LS641N NTE74LS641 SK74LS641 SN74LS641 SIM74LS641J SN74LS641JD SN74LS641JDS SN74LS641JS SN74LS641N SN74LS641ND SN74LS641NDS SN74LS641NS TCG74LS641 |
| 8 | SN74LS641J | ECG74LS641 M74LS641-1P MB74LS641 MB74LS641M N74LS641-1F N74LS641-1N N74LS641F N74LS641N NTE74LS641 SK74LS641 SN74LS641 SIM74LS641J SN74LS641JD SN74LS641JDS SN74LS641JS SN74LS641N SN74LS641ND SN74LS641NDS SN74LS641NS TCG74LS641 |
| 9 | SN74LS641JD | ECG74LS641 M74LS641-1P MB74LS641 MB74LS641M N74LS641-1F N74LS641-1N N74LS641F N74LS641N NTE74LS641 SK74LS641 SN74LS641 SIM74LS641J SN74LS641JD SN74LS641JDS SN74LS641JS SN74LS641N SN74LS641ND SN74LS641NDS SN74LS641NS TCG74LS641 |
| 10 | SN74LS641JDS | ECG74LS641 M74LS641-1P MB74LS641 MB74LS641M N74LS641-1F N74LS641-1N N74LS641F N74LS641N NTE74LS641 SK74LS641 SN74LS641 SIM74LS641J SN74LS641JD SN74LS641JDS SN74LS641JS SN74LS641N SN74LS641ND SN74LS641NDS SN74LS641NS TCG74LS641 |
| 11 | SN74LS641JS | ECG74LS641 M74LS641-1P MB74LS641 MB74LS641M N74LS641-1F N74LS641-1N N74LS641F N74LS641N NTE74LS641 SK74LS641 SN74LS641 SIM74LS641J SN74LS641JD SN74LS641JDS SN74LS641JS SN74LS641N SN74LS641ND SN74LS641NDS SN74LS641NS TCG74LS641 |
| 12 | SN74LS641N | ECG74LS641 M74LS641-1P MB74LS641 MB74LS641M N74LS641-1F N74LS641-1N N74LS641F N74LS641N NTE74LS641 SK74LS641 SN74LS641 SIM74LS641J SN74LS641JD SN74LS641JDS SN74LS641JS SN74LS641N SN74LS641ND SN74LS641NDS SN74LS641NS TCG74LS641 |
| 13 | SN74LS641ND | ECG74LS641 M74LS641-1P MB74LS641 MB74LS641M N74LS641-1F N74LS641-1N N74LS641F N74LS641N NTE74LS641 SK74LS641 SN74LS641 SIM74LS641J SN74LS641JD SN74LS641JDS SN74LS641JS SN74LS641N SN74LS641ND SN74LS641NDS SN74LS641NS TCG74LS641 |
| 14 | SN74LS641NDS | ECG74LS641 M74LS641-1P MB74LS641 MB74LS641M N74LS641-1F N74LS641-1N N74LS641F N74LS641N NTE74LS641 SK74LS641 SN74LS641 SIM74LS641J SN74LS641JD SN74LS641JDS SN74LS641JS SN74LS641N SN74LS641ND SN74LS641NDS SN74LS641NS TCG74LS641 |
| 15 | SN74LS641NS | ECG74LS641 M74LS641-1P MB74LS641 MB74LS641M N74LS641-1F N74LS641-1N N74LS641F N74LS641N NTE74LS641 SK74LS641 SN74LS641 SIM74LS641J SN74LS641JD SN74LS641JDS SN74LS641JS SN74LS641N SN74LS641ND SN74LS641NDS SN74LS641NS TCG74LS641 |
| 16 | SN74LS642 | ECG74LS642 M74LS642-1P MB74LS642 MB74LS642M N74LS642-1N N74LS642F N74LS642N NTE74LS642 SK74LS642 SN74LS642 SN74LS642J SN74LS642JD SN74LS642JDS SN74LS642JS SN74LS642N SN74LS642ND SN74LS642NDS SN74LS642NS TCG74LS642 |
| 17 | SN74LS642J | ECG74LS642 M74LS642-1P MB74LS642 MB74LS642M N74LS642-1N N74LS642F N74LS642N NTE74LS642 SK74LS642 SN74LS642 SN74LS642J SN74LS642JD SN74LS642JDS SN74LS642JS SN74LS642N SN74LS642ND SN74LS642NDS SN74LS642NS TCG74LS642 |
| 18 | SN74LS642JD | ECG74LS642 M74LS642-1P MB74LS642 MB74LS642M N74LS642-1N N74LS642F N74LS642N NTE74LS642 SK74LS642 SN74LS642 SN74LS642J SN74LS642JD SN74LS642JDS SN74LS642JS SN74LS642N SN74LS642ND SN74LS642NDS SN74LS642NS TCG74LS642 |
| 19 | SN74LS642JDS | ECG74LS642 M74LS642-1P MB74LS642 MB74LS642M N74LS642-1N N74LS642F N74LS642N NTE74LS642 SK74LS642 SN74LS642 SN74LS642J SN74LS642JD SN74LS642JDS SN74LS642JS SN74LS642N SN74LS642ND SN74LS642NDS SN74LS642NS TCG74LS642 |
| 20 | SN74LS642JS | ECG74LS642 M74LS642-1P MB74LS642 MB74LS642M N74LS642-1N N74LS642F N74LS642N NTE74LS642 SK74LS642 SN74LS642 SN74LS642J SN74LS642JD SN74LS642JDS SN74LS642JS SN74LS642N SN74LS642ND SN74LS642NDS SN74LS642NS TCG74LS642 |
| 21 | SN74LS642N | ECG74LS642 M74LS642-1P MB74LS642 MB74LS642M N74LS642-1N N74LS642F N74LS642N NTE74LS642 SK74LS642 SN74LS642 SN74LS642J SN74LS642JD SN74LS642JDS SN74LS642JS SN74LS642N SN74LS642ND SN74LS642NDS SN74LS642NS TCG74LS642 |
| 22 | SN74LS642ND | ECG74LS642 M74LS642-1P MB74LS642 MB74LS642M N74LS642-1N N74LS642F N74LS642N NTE74LS642 SK74LS642 SN74LS642 SN74LS642J SN74LS642JD SN74LS642JDS SN74LS642JS SN74LS642N SN74LS642ND SN74LS642NDS SN74LS642NS TCG74LS642 |
| 23 | SN74LS642NDS | ECG74LS642 M74LS642-1P MB74LS642 MB74LS642M N74LS642-1N N74LS642F N74LS642N NTE74LS642 SK74LS642 SN74LS642 SN74LS642J SN74LS642JD SN74LS642JDS SN74LS642JS SN74LS642N SN74LS642ND SN74LS642NDS SN74LS642NS TCG74LS642 |
| 24 | SN74LS642NS | ECG74LS642 M74LS642-1P MB74LS642 MB74LS642M N74LS642-1N N74LS642F N74LS642N NTE74LS642 SK74LS642 SN74LS642 SN74LS642J SN74LS642JD SN74LS642JDS SN74LS642JS SN74LS642N SN74LS642ND SN74LS642NDS SN74LS642NS TCG74LS642 |
| 25 | SN74LS643 | ECG74LS643 M74LS643-1P MB74LS643 MB74LS643M NTE74LS643 SN74LS643 SN74LS643J SN74LS643JD SN74LS643JDS SN74LS643JS SN74LS643N SN74LS643ND SN74LS643NDS SN74LS643NS TCG74LS643 |
| 26 | SN74LS643J | ECG74LS643 M74LS643-1P MB74LS643 MB74LS643M NTE74LS643 SN74LS643 SN74LS643J SN74LS643JD SN74LS643JDS SN74LS643JS SN74LS643N SN74LS643ND SN74LS643NDS SN74LS643NS TCG74LS643 |
| 27 | SN74LS643JD | ECG74LS643 M74LS643-1P MB74LS643 MB74LS643M NTE74LS643 SN74LS643 SN74LS643J SN74LS643JD SN74LS643JDS SN74LS643JS SN74LS643N SN74LS643ND SN74LS643NDS SN74LS643NS TCG74LS643 |
| 28 | SN74LS643JDS | ECG74LS643 M74LS643-1P MB74LS643 MB74LS643M NTE74LS643 SN74LS643 SN74LS643J SN74LS643JD SN74LS643JDS SN74LS643JS SN74LS643N SN74LS643ND SN74LS643NDS SN74LS643NS TCG74LS643 |
| 29 | SN74LS643JS | ECG74LS643 M74LS643-1P MB74LS643 MB74LS643M NTE74LS643 SN74LS643 SN74LS643J SN74LS643JD SN74LS643JDS SN74LS643JS SN74LS643N SN74LS643ND SN74LS643NDS SN74LS643NS TCG74LS643 |
| 30 | SN74LS643N | ECG74LS643 M74LS643-1P MB74LS643 MB74LS643M NTE74LS643 SN74LS643 SN74LS643J SN74LS643JD SN74LS643JDS SN74LS643JS SN74LS643N SN74LS643ND SN74LS643NDS SN74LS643NS TCG74LS643 |
| 31 | SN74LS643ND | ECG74LS643 M74LS643-1P MB74LS643 MB74LS643M NTE74LS643 SN74LS643 SN74LS643J SN74LS643JD SN74LS643JDS SN74LS643JS SN74LS643N SN74LS643ND SN74LS643NDS SN74LS643NS TCG74LS643 |
| 32 | SN74LS643NDS | ECG74LS643 M74LS643-1P MB74LS643 MB74LS643M NTE74LS643 SN74LS643 SN74LS643J SN74LS643JD SN74LS643JDS SN74LS643JS SN74LS643N SN74LS643ND SN74LS643NDS SN74LS643NS TCG74LS643 |
| 33 | SN74LS643NS | ECG74LS643 M74LS643-1P MB74LS643 MB74LS643M NTE74LS643 SN74LS643 SN74LS643J SN74LS643JD SN74LS643JDS SN74LS643JS SN74LS643N SN74LS643ND SN74LS643NDS SN74LS643NS TCG74LS643 |
| 34 | SN74LS645 | 8210050 74LS645 ECG74LS645 M74LS645-1P MB74LS645 MB74LS645M N74LS645-1F N74LS645F N74LS645N NTE74LS645 SK74LS645 SN74LS645 SN74LS645J SN74LS645JD SN74LS645JDS SN74LS645JS SN74LS645N SM74LS645ND SN74LS645NDS SN74LS645NS TCG74LS645 |
| 35 | SN74LS645J | 8210050 74LS645 ECG74LS645 M74LS645-1P MB74LS645 MB74LS645M N74LS645-1F N74LS645F N74LS645N NTE74LS645 SK74LS645 SN74LS645 SN74LS645J SN74LS645JD SN74LS645JDS SN74LS645JS SN74LS645N SM74LS645ND SN74LS645NDS SN74LS645NS TCG74LS645 |
| 36 | SN74LS645JD | 8210050 74LS645 ECG74LS645 M74LS645-1P MB74LS645 MB74LS645M N74LS645-1F N74LS645F N74LS645N NTE74LS645 SK74LS645 SN74LS645 SN74LS645J SN74LS645JD SN74LS645JDS SN74LS645JS SN74LS645N SM74LS645ND SN74LS645NDS SN74LS645NS TCG74LS645 |
| 37 | SN74LS645JDS | 8210050 74LS645 ECG74LS645 M74LS645-1P MB74LS645 MB74LS645M N74LS645-1F N74LS645F N74LS645N NTE74LS645 SK74LS645 SN74LS645 SN74LS645J SN74LS645JD SN74LS645JDS SN74LS645JS SN74LS645N SM74LS645ND SN74LS645NDS SN74LS645NS TCG74LS645 |
| 38 | SN74LS645JS | 8210050 74LS645 ECG74LS645 M74LS645-1P MB74LS645 MB74LS645M N74LS645-1F N74LS645F N74LS645N NTE74LS645 SK74LS645 SN74LS645 SN74LS645J SN74LS645JD SN74LS645JDS SN74LS645JS SN74LS645N SM74LS645ND SN74LS645NDS SN74LS645NS TCG74LS645 |
| 39 | SN74LS645N | 8210050 74LS645 ECG74LS645 M74LS645-1P MB74LS645 MB74LS645M N74LS645-1F N74LS645F N74LS645N NTE74LS645 SK74LS645 SN74LS645 SN74LS645J SN74LS645JD SN74LS645JDS SN74LS645JS SN74LS645N SM74LS645ND SN74LS645NDS SN74LS645NS TCG74LS645 |
| 40 | SN74LS645ND | 8210050 74LS645 ECG74LS645 M74LS645-1P MB74LS645 MB74LS645M N74LS645-1F N74LS645F N74LS645N NTE74LS645 SK74LS645 SN74LS645 SN74LS645J SN74LS645JD SN74LS645JDS SN74LS645JS SN74LS645N SM74LS645ND SN74LS645NDS SN74LS645NS TCG74LS645 |
