ZHCSWZ5P October 1995 – August 2024 SN54AHC541 , SN74AHC541
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
THERMAL METRIC(1) | SN74AHC541 | UNIT | ||||||
---|---|---|---|---|---|---|---|---|
DB (SSOP) | DGV (TVSOP) | DW (SOIC) | N (PDIP) |
NS
(SO) |
PW (TSSOP) | |||
20 PINS | 20 PINS | 20 PINS | 20 PINS | 20 PINS | 20 PINS | |||
RθJA | Junction-to-ambient thermal resistance | 99.9 | 119.2 | 81.1 | 68.5 | 77.6 | 116.8 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 61.7 | 34.5 | 48.6 | 48.5 | 42.7 | 58.5 | |
RθJB | Junction-to-board thermal resistance | 55.2 | 60.7 | 53.8 | 44.9 | 45.7 | 78.7 | |
ψJT | Junction-to-top characterization parameter | 22.6 | 1.2 | 19.5 | 28.0 | 10.2 | 12.6 | |
ψJB | Junction-to-board characterization parameter | 54.8 | 60.0 | 53.1 | 44.5 | 45.2 | 77.9 | |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | N/A | N/A | N/A | N/A | N/A | N/A |