米6体育平台手机版

ZHCSQ34F December 1982 – February 2022 SN54HC253 , SN74HC253

PRODUCTION DATA

请参考 PDF 数据表获取器件具体的封装图。

5.6 Switching Characteristics

over recommended operating free-air temperature range, C_L = 150 pF (unless otherwise noted) (see Figure 6)

PARAMETER	FROM (INPUT)	TO (OUTPUT)	V_CC (V)	T_A = 25°C			SN54HC253		SN74HC253		UNIT
PARAMETER	FROM (INPUT)	TO (OUTPUT)	V_CC (V)	MIN	TYP	MAX	MIN	MAX	MIN	MAX	UNIT
t_pd	A or B	Any Y	2		76	235		355		295	ns
			4.5		23	47		71		59
			6		20	41		60		51
	Data (Any C)	Y	2		68	220		335		275
			4.5		20	44		67		55
			6		17	38		57		51
t_en	OE	Y	2		44	185		280		230	ns
			4.5		16	37		56		46
			6		14	32		48		40
t_t		Y	2		45	210		315		265	ns
			4.5		17	42		63		53
			6		13	36		53		45