ZHCSRF2S october 1995 – july 2023 SN54AHCT245 , SN74AHCT245
PRODMIX
| THERMAL METRIC(1) | SN74AHCT245 | UNIT | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| DB | DGV | DW | N | NS | PW | RGY | RKS | DGS | |||
| 20 PINS | |||||||||||
| RθJA | Junction-to-ambient thermal resistance | 113.1 | 116.1 | 96.2 | 51.5 | 77.1 | 122.3 | 35.1 | 67.7 | 118.4 | °C/W |
| RθJC(top) | Junction-to-case (top) thermal resistance | 72.9 | 31.3 | 63.6 | 38.2 | 43.6 | 64.8 | 43.3 | 72.4 | 57.7 | |
| RθJB | Junction-to-board thermal resistance | 67.9 | 57.6 | 64.7 | 32.4 | 44.6 | 73.3 | 12.9 | 40.4 | 73.1 | |
| ψJT | Junction-to-top characterization parameter | 39.3 | 1.0 | 40.5 | 24.6 | 17.2 | 19 | 0.9 | 10.3 | 5.7 | |
| ψJB | Junction-to-board characterization parameter | 67.5 | 56.9 | 64.3 | 32.3 | 44.2 | 73 | 12.9 | 40.4 | 72.7 | |
| RθJC(bot) | Junction-to-case (bottom) thermal resistance | n/a | n/a | n/a | n/a | n/a | n/a | 7.9 | 24.1 | n/a | |