米6体育平台手机版

ZHCSWU0G August 1995 – July 2024 SN54AC74 , SN74AC74

PRODUCTION DATA

请参考 PDF 数据表获取器件具体的封装图。

4.6 Timing Requirements, V_CC = 5 V ± 0.5 V

over recommended operating free-air temperature range, V_CC = 5 V ± 0.5 V (unless otherwise noted) (see Load Circuit and Voltage Waveforms)

			T_A = 25°C		SN54AC74		SN74AC74		UNIT
			MIN	MAX	MIN	MAX	MIN	MAX	UNIT
f_clock	Clock frequency			140		95		125	MHz
t_w	Pulse duration	PRE or CLR low	4.5		5.5		5		ns
t_w	Pulse duration	CLK	4.5		5.5		5		ns
t_su	Setup time, data before CLK↑	Data	3		4		3		ns
t_su	Setup time, data before CLK↑	PRE or CLR inactive	0		0.5		0		ns
t_h	Hold time, data after CLK↑		0.5		0.5		0.5		ns