JAJSVA3G June 1997 – August 2024 SN74AHCT273
PRODUCTION DATA
THERMAL METRIC(1) | SN74AHCT273 | UNIT | ||||||
---|---|---|---|---|---|---|---|---|
DB (SSOP) | DW (SOIC) | DGV (TVSOP) | N (PDIP) | NS (SOP) | PW (TSSOP) | |||
20 PINS | ||||||||
RθJA | Junction-to-ambient thermal resistance | 87.2 | 81.1 | 118.1 | 53.9 | 77.6 | 116.8 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 49.1 | 48.9 | 33.4 | 38.8 | 42.7 | 58.5 | |
RθJB | Junction-to-board thermal resistance | 51.8 | 53.8 | 59.6 | 34.7 | 45.7 | 78.7 | |
ψJT | Junction-to-top characterization parameter | 11.6 | 19.5 | 1.1 | 26.9 | 10.2 | 12.6 | |
ψJB | Junction-to-board characterization parameter | 51.2 | 53.1 | 58.9 | 34.7 | 45.2 | 77.9 | |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | N/A | N/A | N/A | N/A | N/A | N/A |