米6体育平台手机版

ZHCSPV6E March 1984 – February 2022 SN54HCT374 , SN74HCT374

PRODUCTION DATA

请参考 PDF 数据表获取器件具体的封装图。

5.5 Timing Requirements

over recommended operating free-air temperature range (unless otherwise noted)

		V_CC	T_A = 25°C		SN54HCT374		SN74HCT374		UNIT
		V_CC	MIN	MAX	MIN	MAX	MIN	MAX	UNIT
f_clock	Clock frequency	4.5 V		31		21		25	MHz
f_clock	Clock frequency	5.5 V		36		23		28	MHz
t_w	Pulse duration, CLK high or low	4.5 V	16		24		20		ns
t_w	Pulse duration, CLK high or low	5.5 V	14		22		18		ns
t_su	Setup time, data before CLK↑	4.5 V	20		30		25		ns
t_su	Setup time, data before CLK↑	5.5 V	17		27		23		ns
th_h	Hold time, data after CLK↑	4.5 V	10		10		10		ns
th_h	Hold time, data after CLK↑	5.5 V	10		10		10		ns