JAJSPY7J may 1998 – march 2023 SN74LV540A
PRODMIX
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THERMAL METRIC(1) | SN74LV540A | UNIT | ||||||
---|---|---|---|---|---|---|---|---|
DB | DGV | DW | NS | PW | RGY | |||
20 PINS | ||||||||
RθJA | Junction-to-ambient thermal resistance | 96.0 | 116.1 | 79.8 | 77.1 | 128.2 | 35.1 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 57.7 | 31.3 | 45.8 | 43.6 | 70.5 | 43.3 | |
RθJB | Junction-to-board thermal resistance | 51.2 | 57.6 | 47.4 | 44.6 | 79.3 | 12.9 | |
ψJT | Junction-to-top characterization parameter | 19.4 | 1.0 | 18.5 | 17.2 | 23.4 | 0.9 | |
ψJB | Junction-to-board characterization parameter | 50.8 | 56.9 | 47.0 | 44.2 | 78.9 | 12.9 | |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | N/A | N/A | N/A | N/A | N/A | 7.9 |