以下是SN74LS191J可替换型号:
- 74LS191CH
- 74LS191DC
- 74LS19U
- 74LS191PC
- 74LS191W
- C74LS191P
- DM74LS191N
- ECG74LS191
- HD74LS191
- HD74LS191P
- HEPC74LS191P
- M74LS191P
- MB74LS191
- MB74LS191M
- N74LS191F
- N74LS191N
- NTE74LS191
- SK74LS191
- SN74LS191
- SN74LS191J
- SN74LS191JD
- SN74LS191JDS
- SN74LS191JS
- SN74LS191N
- SN74LS191ND
- SN74LS191NDS
- SN74LS191NS
- SN74LS191W
- TCG74LS191
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