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Marking of electronic components, SMD Codes HC42, HC42**. SN74HC42D, SN74HC42NSR, CD74HC423M, CD74HC423NSR, CD74HC42M, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| SN74HC42D | HC42 | SO-16 | |
| SN74HC42NSR | HC42 | SOP-16 | |
| CD74HC423M | HC423M | SO-16 | |
| CD74HC423NSR | HC423M | SOP-16 | |
| CD74HC42M | HC42M | SO-16 |