以下是HD74LS181可替换型号:
- 74LS181PC
- C74LS181P
- ECG74LS181
- HD74LS181
- HD74LS181P
- HEPC74LS181P
- MB74LS181
- MB74LS181M
- N74LS181F
- N74LS181N
- NTE74LS181
- SN74LS181
- SN74LS181J
- SN74LS181JD
- SN74LS181JDS
- SN74LS181JS
- SN74LS181N
- SN74LS181ND
- SN74LS181NDS
- SN74LS181NS
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