SCLS871B July 2021 – August 2024 SN74HCS240
PRODUCTION DATA
THERMAL METRIC(1) | SN74HCS240 | UNIT | ||
---|---|---|---|---|
DGS (VSSOP) | RKS (VQFN) | |||
20 PINS | 20 PINS | |||
RθJA | Junction-to-ambient thermal resistance | 130.6 | 83.2 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 68.7 | 82.6 | °C/W |
RθJB | Junction-to-board thermal resistance | 85.4 | 57.4 | °C/W |
ΨJT | Junction-to-top characterization parameter | 10.5 | 14.5 | °C/W |
ΨJB | Junction-to-board characterization parameter | 85.0 | 56.4 | °C/W |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | N/A | 40.0 | °C/W |