以下是US74H55A可替换型号:
- 1741-0663
- 569-0881-855
- 611878
- 74H55DC
- 74H55PC
- 9H55DC
- 9H55PC
- DM74H55J
- DM74H55N
- ECG74H55
- MC3034L
- MC3034P
- N74H55A
- N74H55F
- N74H55N
- NTE74H55
- SN74H55
- SN74H55J
- SN74H55N
- TCG74H55
- US74H55A
- US74H55J
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