ZHCSS63R October 1995 – February 2024 SN54AHCT04 , SN74AHCT04
PRODMIX
| THERMAL METRIC(1) | SN74AHCT04 | UNIT | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| D | DB | DGV | N | NS | PW | RGY | BQA | |||
| 14 PINS | ||||||||||
| RθJA | Junction-to-ambient thermal resistance | 124.5 | 113.1 | 138.7 | 61.1 | 120.9 | 147.7 | 63.7 | 88.3 | °C/W |
| RθJC(top) | Junction-to-case (top) thermal resistance | 78.8 | 65.6 | 60.6 | 48.0 | 78.2 | 77.4 | 77.6 | 90.9 | |
| RθJB | Junction-to-board thermal resistance | 81 | 60.4 | 71.8 | 41.0 | 81.6 | 90.9 | 39.7 | 56.8 | |
| ψJT | Junction-to-top characterization parameter | 37 | 25.5 | 10.6 | 32.4 | 42.8 | 27.2 | 5.7 | 9.9 | |
| ψJB | Junction-to-board characterization parameter | 80.6 | 59.9 | 71.1 | 40.9 | 81.1 | 90.2 | 39.9 | 56.7 | |
| RθJC(bot) | Junction-to-case (bottom) thermal resistance | N/A | N/A | N/A | N/A | N/A | N/A | 19.9 | 33.4 | |