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Marking of electronic components, SMD Codes HB574, HB574**. SN74AHCT574DBR, SN74AHCT574DGVR, SN74AHCT574PW, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| SN74AHCT574DBR | HB574 | SSOP-20 | |
| SN74AHCT574DGVR | HB574 | TVSOP-20 | |
| SN74AHCT574PW | HB574 | TSSOP-20 |