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Marking of electronic components, SMD Codes Ht1, Ht1**. PUMH11, SN74HCT138PW, SN74HCT139DBR, SN74HCT139PWR, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| PUMH11 | Ht1 | SOT363 | |
| SN74HCT138PW | HT138 | TSSOP-16 | |
| SN74HCT139DBR | HT139 | SSOP-16 | |
| SN74HCT139PWR | HT139 | TSSOP-16 |