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Marking of electronic components, SMD Codes CU257, CU257**. SN74CBT3257DBQR, SN74CBT3257DBR, SN74CBT3257PWR, SN74CBT3257RGYR, SN74CBT3257CDBQR, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| SN74CBT3257DBQR | CU257 | QSOP-16 | |
| SN74CBT3257DBR | CU257 | SSOP-16 | |
| SN74CBT3257PWR | CU257 | TSSOP-16 | |
| SN74CBT3257RGYR | CU257 | S-PVQFN-N16 | |
| SN74CBT3257CDBQR | CU257C | QSOP-16 | |
| SN74CBT3257CDBR | CU257C | SSOP-16 | |
| SN74CBT3257CPWR | CU257C | TSSOP-16 | |
| SN74CBT3257CRGYR | CU257C | S-PVQFN-N16 |