ZHCSSO6G June 1995 – March 2024 SN54ACT244 , SN74ACT244
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
| THERMAL METRIC(1) | SNx4ACT244 | UNIT | |||||||
|---|---|---|---|---|---|---|---|---|---|
| DB (SSOP) |
DGS (VSSOP) |
DW (SOIC) |
N (PDIP) |
NS (SO) |
PW (TSSOP) |
RKS (VQFN) |
|||
| 20 PINS | 20 PINS | 20 PINS | 20 PINS | 20 PINS | 20 PINS | 20 PINS | |||
| RθJA | Junction-to-ambient thermal resistance | 117.2 | 123.5 | 101.2 | 48.1 | 106.2 | 126.2 | 67.7 | °C/W |
| RθJC(top) | Junction-to-case (top) thermal resistance | 76.9 | 62.1 | 68.2 | 34.1 | 72 | 68.7 | 72.4 | °C/W |
| RθJB | Junction-to-board thermal resistance | 72.1 | 78.5 | 69.7 | 29 | 71.2 | 77.3 | 40.4 | °C/W |
| ψJT | Junction-to-top characterization parameter | 43.1 | 7.8 | 44.1 | 19.5 | 42.4 | 22.3 | 10.3 | °C/W |
| ψJB | Junction-to-board characterization parameter | 71.7 | 78.0 | 69.2 | 28.9 | 70.9 | 76.9 | 40.4 | °C/W |
| RθJC(bot) | Junction-to-case (bottom) thermal resistance | N/A | N/A | N/A | N/A | N/A | N/A | 24.1 | °C/W |