ZHCSSM0N October 1995 – July 2024 SN54AHCT574 , SN74AHCT574
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
| THERMAL METRIC(1) | SN74AHCT574 | UNIT | ||||||
|---|---|---|---|---|---|---|---|---|
| DW (SOIC) | DB (SSOP) | DGV (TVSOP) | N (PDIP) | NS (SOP) | PW (TSSOP) | |||
| 20 PINS | ||||||||
| RθJA | Junction-to-ambient thermal resistance | 81.1 | 97.9 | 117.2 | 53.3 | 79.2 | 116.8 | °C/W |
| RθJC(top) | Junction-to-case (top) thermal resistance | 48.9 | 59.6 | 32.7 | 40.0 | 45.7 | 58.5 | |
| RθJB | Junction-to-board thermal resistance | 53.8 | 53.1 | 58.7 | 34.2 | 46.8 | 78.7 | |
| ψJT | Junction-to-top characterization parameter | 19.5 | 21.3 | 1.15 | 26.4 | 19.3 | 12.6 | |
| ψJB | Junction-to-board characterization parameter | 53.1 | 52.7 | 58.0 | 34.1 | 46.4 | 77.9 | |
| RθJC(bot) | Junction-to-case (bottom) thermal resistance | N/A | N/A | N/A | N/A | N/A | N/A | |