ZHCSN18B September 2020 – February 2022 SN74HCS245-Q1
PRODUCTION DATA
| THERMAL METRIC(1) | SN74HCS245-Q1 | UNIT | ||
|---|---|---|---|---|
| PW (TSSOP) | WRKS (VQFN) | |||
| 20 PINS | 20 PINS | |||
| RθJA | Junction-to-ambient thermal resistance | 127.2 | 75.6 | °C/W |
| RθJC(top) | Junction-to-case (top) thermal resistance | 67.8 | 75.9 | °C/W |
| RθJB | Junction-to-board thermal resistance | 78.2 | 49.6 | °C/W |
| ΨJT | Junction-to-top characterization parameter | 18.5 | 11.0 | °C/W |
| ΨJB | Junction-to-board characterization parameter | 77.8 | 48.9 | °C/W |
| RθJC(bot) | Junction-to-case (bottom) thermal resistance | N/A | 32.0 | °C/W |