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Marking of electronic components, SMD Codes AS25, AS25**. RP400K411A, SN74AS253AD, SN74AS257D, SN74AS258DR, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| RP400K411A | AS25 | RICOH | DFN1820-6 |
| SN74AS253AD | AS253A | SOP16 | |
| SN74AS257D | AS257 | SOP16 | |
| SN74AS258DR | AS258 | SOP16 |