米6体育平台手机版

ZHCSPH1H December 1982 – December 2021 SN54HC574 , SN74HC574

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		SN54HC574		SN74HC574		UNIT
		V_CC	MIN	MAX	MIN	MAX	MIN	MAX	UNIT
f_clock	Clock frequency	2 V		6		4		5	MHz
		4.5 V		30		20		24
		6 V		38		24		28
t_w	Pulse duration, CLK high or low	2 V	80		120		100		ns
		4.5 V	16		24		20
		6 V	14		20		17
t_su	Setup time, data before CLK↑	2 V	100		150		125		ns
		4.5 V	20		30		25
		6 V	17		26		21
t_h	Hold time, data after CLK↑	2 V	5		5		5		ns
		4.5 V	5		5		5
		6 V	5		5		5