ZHCSIR4Q July 1995 – September 2018 SN54LVCH245A , SN74LVCH245A
PRODUCTION DATA.
請(qǐng)參考 PDF 數(shù)據(jù)表獲取器件具體的封裝圖。
| THERMAL METRIC(1) | SN74LVCH245A | UNIT | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| DB | DGV | DW | NS | PW | RGY | ZQN | ZXY | |||
| 20 PINS | ||||||||||
| RθJA | Junction-to-ambient thermal resistance | 94.5 | 114.7 | 88.3 | 74.7 | 102.5 | 41.4 | 129.3 | 123.5 | °C/W |
| RθJC(top) | Junction-to-case (top) thermal resistance | 56.2 | 29.8 | 51.1 | 40.5 | 35.9 | 47.7 | 75.3 | 58.9 | |
| RθJB | Junction-to-board thermal resistance | 49.7 | 56.2 | 50.9 | 42.3 | 53.5 | 17.1 | 77.6 | 74.8 | |
| ψJT | Junction-to-top characterization parameter | 18.1 | 0.8 | 20.0 | 14.3 | 2.2 | 1.4 | 2.6 | 2.0 | |
| ψJB | Junction-to-board characterization parameter | 49.2 | 55.5 | 50.5 | 41.9 | 52.9 | 17.1 | 73.2 | 74.4 | |
| RθJC(bot) | Junction-to-case (bottom) thermal resistance | n/a | n/a | n/a | n/a | n/a | 9.8 | n/a | n/a | |