以下是X420300140可替换型号：
- 8210023
- 443-872
- 610002-014
- 74LS14DC
- 74LS14N
- 74LS14PC
- 901251-30
- 901521-30
- AMX-3716
- C061850
- C74LS14P
- DM74LS14J
- DM74LS14W
- DN74LS14P
- EAOOO-17200
- ECG74LS14
- HD74LS14
- HD74LS14P
- HEPC74LS14P
- I61D4LS140
- LS14
- MB74LS14
- MB74LS14M
- N74LS14F
- NTE74LS14
- P61LS14**H
- POSN74LS14N
- SN74LS14
- SN74LS14J
- SN74LS14JD
- SN74LS14JS
- SN74LS14N
- SN74LS14ND
- SN74LS14NS
- T74LS14B1
- T74LS14BI
- VHIHD74LS14-1
- X420300140
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