Marking of electronic components, SMD Codes AB543, AB543**. XC6113B543ER, SN74ABT543ADBR, SN74ABT543APW, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| XC6113B543ER | AB543 | TOREX | USP-6C |
| SN74ABT543ADBR | AB543A | SSOP-24 | |
| SN74ABT543APW | AB543A | TSSOP-24 |