以下是N74LS642-1N可替换型号:
- ECG74LS642
- M74LS642-1P
- MB74LS642
- MB74LS642M
- N74LS642-1N
- N74LS642F
- N74LS642N
- NTE74LS642
- SK74LS642
- SN74LS642
- SN74LS642J
- SN74LS642JD
- SN74LS642JDS
- SN74LS642JS
- SN74LS642N
- SN74LS642ND
- SN74LS642NDS
- SN74LS642NS
- TCG74LS642
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