米6体育平台手机版

ZHCSPS1D January 1996 – May 2022 SN54HC377 , SN74HC377

PRODUCTION DATA

请参考 PDF 数据表获取器件具体的封装图。

6.3 Thermal Information

THERMAL METRIC		DW (SOIC)	N (PDIP)	NS (SO)	UNIT
THERMAL METRIC		20 PINS	20 PINS	20 PINS	UNIT
R_θJA	Junction-to-ambient thermal resistance^⁽¹⁾	109.1	84.6	113.4	°C/W
R_θJC(top)	Junction-to-case (top) thermal resistance	76	72.5	78.6	°C/W
R_θJB	Junction-to-board thermal resistance	77.6	65.3	78.4	°C/W
ψ_JT	Junction-to-top characterization parameter	51.5	55.3	47.1	°C/W
ψ_JB	Junction-to-top characterization parameter	77.1	65.2	78.1	°C/W
R_θJC(bot)	Junction-to-case (bottom) thermal resistance	N/A	N/A	N/A	°C/W

(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC package thermal metrics application report.