米6体育平台手机版

ZHCSPF8G March 1984 – July 2022 SN54HCT373 , SN74HCT373

PRODUCTION DATA

请参考 PDF 数据表获取器件具体的封装图。

5.3 Thermal Information

THERMAL METRIC		SN74HCT373				UNIT
		DW (SOIC)	N (PDIP)	NS (SO)	PW (TSSOP)
		20 PINS	20 PINS	20 PINS	20 PINS
R_θJA	Junction-to-ambient thermal resistance^⁽¹⁾	109.1	84.6	113.4	131.8	°C/W
R_{θJC (top)}	Junction-to-case (top) thermal resistance	76	72.5	78.6	72.2	°C/W
R_θJB	Junction-to-board thermal resistance	77.6	65.3	78.4	82.8	°C/W
Ψ_JT	Junction-to-top characterization parameter	51.5	55.3	47.1	21.5	°C/W
Ψ_JB	Junction-to-board characterization parameter	77.1	65.2	78.1	82.4	°C/W
R_{θJC (bot)}	Junction-to-case (bottom) thermal resistance	N/A	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.