Marking of electronic components, SMD Codes HB273, HB273**. SN74AHCT273DBR, SN74AHCT273DGVR, SN74AHCT273PWR, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| SN74AHCT273DBR | HB273 | SSOP-20 | |
| SN74AHCT273DGVR | HB273 | TVSOP-20 | |
| SN74AHCT273PWR | HB273 | TSSOP-20 |