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Marking of electronic components, SMD Codes ABT540, ABT540**. SN74ABT540DWR, SN74ABT540NSR, SN74ABT5400ADWR, SN74ABT5401DW, SN74ABT5402ADW, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| SN74ABT540DWR | ABT540 | SOIC-20W | |
| SN74ABT540NSR | ABT540 | SOP-20 | |
| SN74ABT5400ADWR | ABT5400A | SOIC-28W | |
| SN74ABT5401DW | ABT5401 | SOIC-28W | |
| SN74ABT5402ADW | ABT5402A | SOIC-28W |