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Marking of electronic components, SMD Codes HB138, HB138**. SN74AHCT138DBR, SN74AHCT138DGVR, SN74AHCT138PW, SN74AHCT138RGYR, SN74AHCT138QPWRQ1, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| SN74AHCT138DBR | HB138 | SSOP-16 | |
| SN74AHCT138DGVR | HB138 | TVSOP-16 | |
| SN74AHCT138PW | HB138 | TSSOP-16 | |
| SN74AHCT138RGYR | HB138 | S-PVQFN-N16 | |
| SN74AHCT138QPWRQ1 | HB138Q | TSSOP-16 |