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ZHCSS47O October 1995 – July 2024 SN54AHCT244 , SN74AHCT244

PRODMIX

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, V_CC = 5 V ± 0.5 V (unless otherwise noted) (see Load Circuit and Voltage Waveforms)

PARAMETER	FROM (INPUT)	TO (OUTPUT)	LOAD CAPACITANCE	T_A = 25°C			SN54AHCT244		SN74AHCT244		UNIT
PARAMETER	FROM (INPUT)	TO (OUTPUT)	LOAD CAPACITANCE	MIN	TYP	MAX	MIN	MAX	MIN	MAX	UNIT
t_PLH	A	Y	C_L = 15 pF		5.4⁽¹⁾	7.4⁽¹⁾	1⁽¹⁾	8.5⁽¹⁾	1	8.5	ns
t_PHL	A	Y	C_L = 15 pF		5.4⁽¹⁾	7.4⁽¹⁾	1⁽¹⁾	8.5⁽¹⁾	1	8.5	ns
t_PZH	OE	Y	C_L = 15 pF		7.7⁽¹⁾	10.4⁽¹⁾	1⁽¹⁾	12⁽¹⁾	1	12	ns
t_PZL	OE	Y	C_L = 15 pF		7.7⁽¹⁾	10.4⁽¹⁾	1⁽¹⁾	12⁽¹⁾	1	12	ns
t_PHZ	OE	Y	C_L = 15 pF		5⁽¹⁾	9.4⁽¹⁾	1⁽¹⁾	10⁽¹⁾	1	10	ns
t_PLZ	OE	Y	C_L = 15 pF		5⁽¹⁾	9.4⁽¹⁾	1⁽¹⁾	10⁽¹⁾	1	10	ns
t_PLH	A	Y	C_L = 50 pF		5.9	8.4	1	9.5	1	9.5	ns
t_PHL	A	Y	C_L = 50 pF		5.9	8.4	1	9.5	1	9.5	ns
t_PZH	OE	Y	C_L = 50 pF		8.2	11.4	1	13	1	13	ns
t_PZL	OE	Y	C_L = 50 pF		8.2	11.4	1	13	1	13	ns
t_PHZ	OE	Y	C_L = 50 pF		8.8	11.4	1	13	1	13	ns
t_PLZ	OE	Y	C_L = 50 pF		8.8	11.4	1	13	1	13	ns
t_sk(o)			C_L = 50 pF			1⁽²⁾				1	ns

(1) On products compliant to MIL-PRF-38535, this parameter is not production tested.

(2) On products compliant to MIL-PRF-38535, this parameter does not apply.