米6体育平台手机版

ZHCSPQ5F March 1984 – July 2022 SN54HC540 , SN74HC540

PRODUCTION DATA

请参考 PDF 数据表获取器件具体的封装图。

5.5 Switching Characteristics

over recommended operating free-air temperature range, C_L = 50 pF (unless otherwise noted) (see Figure 6-1)

PARAMETER	FROM (INPUT)	TO (OUTPUT)	V_CC	T_A = 25°C			SN54HC540		SN74HC540		UNIT
PARAMETER	FROM (INPUT)	TO (OUTPUT)	V_CC	MIN	TYP	MAX	MIN	MAX	MIN	MAX	UNIT
t_pd	A	Y	2 V		35	100		149		125	ns
			4.5 V		10	20		30		25
			6 V		8	17		25		21
t_en	OE	Y	2 V		75	150		224		188	ns
			4.5 V		15	30		45		38
			6 V		13	26		38		32
t_dis	OE	Y	2 V		40	150		224		188	ns
			4.5 V		18	30		45		38
			6 V		17	26		38		32
t_t		Y	2 V		28	60		90		75	ns
			4.5 V		8	12		18		15
			6 V		6	10		15		13