以下是1741-0721可替换型号:
- 1741-0721
- 1820-0512
- 52335900
- 52335900HL
- 569-0881-874
- 74H74DC
- 74H74PC
- 9H74DC
- 9H74PC
- DM74H74J
- DM74H74N
- ECG74H74
- ITT74H74N
- MC74H74AF
- MC74H74AL
- MC74H74P
- N74H74A
- N74H74F
- N74H74N
- N8848F
- NTE74H74
- SN74H74
- SN74H74J
- SN74H74N
- TCG74H74
- US74H74A
- US74H74J
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