以下是SN74LS197JS可替换型号:
- 74LS197
- 74LS197DC
- 74LS197PC
- 901521-54
- C74LS197P
- DM74LS197N
- ECG74LS197
- HEPC74LS197P
- M74LS197P
- N74LS197F
- N74LS197N
- N8293F
- N8293N
- NTE74LS197
- SK1921
- SN74LS197
- SN74LS197J
- SN74LS197JD
- SN74LS197JDS
- SN74LS197JS
- SN74LS197N
- SN74LS197ND
- SN74LS197NDS
- SN74LS197NS
- TCG74LS197
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