JAJST35V January 1993 – May 2024 SN54LVC74A , SN74LVC74A
PRODUCTION DATA
デバイスごとのパッケージ図は、PDF版データシートをご参照ください。
THERMAL METRIC(1) | SN74LVC74A | UNIT | ||||||
---|---|---|---|---|---|---|---|---|
BQA (WQFN) | D (SOIC) |
DB (SSOP) |
NS (SO) |
PW (TSSOP) |
RGY (VQFN) |
|||
14 PINS | 14 PINS | 14 PINS | 14 PINS | 14 PINS | 14 PINS | |||
RθJA | Junction-to-ambient thermal resistance | 102.3 | 93.7 | 107.3 | 90.3 | 121.7 | 54.9 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 96.8 | 54.8 | 59.2 | 48.1 | 50.3 | 52.2 | °C/W |
RθJB | Junction-to-board thermal resistance | 70.9 | 48 | 54.6 | 49.1 | 63.4 | 30.8 | °C/W |
ψJT | Junction-to-top characterization parameter | 16.6 | 20.3 | 24.1 | 17.9 | 6.2 | 2.4 | °C/W |
ψJB | Junction-to-board characterization parameter | 70.9 | 47.7 | 54.1 | 48.8 | 62.8 | 30.9 | °C/W |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | 50.1 | — | — | — | — | 12.5 | °C/W |