SCLS245 Data sheet

SCLS245N October 1995 – July 2024 SN54AHCT574 , SN74AHCT574

PRODUCTION DATA

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5.7 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 (OUTPUT)	TO (INPUT)	LOAD CAPACITANCE	T_A = 25°C			SN54AHCT574		SN74AHCT574		T_A = –40°C to 125°C SN74AHCT574		UNIT
PARAMETER	FROM (OUTPUT)	TO (INPUT)	LOAD CAPACITANCE	MIN	TYP	MAX	MIN	MAX	MIN	MAX	MIN	MAX	UNIT
f_max			C_L = 15 pF	130⁽¹⁾	180⁽¹⁾		110⁽¹⁾		110		110		ns
f_max			C_L = 50 pF	85	115		75		75		75		ns
t_PLH	CLK	Q	C_L = 15 pF		5.5⁽¹⁾	8.6⁽¹⁾	1⁽¹⁾	10⁽¹⁾	1	10	1	11	ns
t_PHL	CLK	Q	C_L = 15 pF		5.5⁽¹⁾	8.6⁽¹⁾	1⁽¹⁾	10⁽¹⁾	1	10	1	11	ns
t_PZH	OE	Q	C_L = 15 pF		5⁽¹⁾	9⁽¹⁾	1⁽¹⁾	10.5⁽¹⁾	1	10.5	1	11.5	ns
t_PZL	OE	Q	C_L = 15 pF		5⁽¹⁾	9⁽¹⁾	1⁽¹⁾	10.5⁽¹⁾	1	10.5	1	11.5	ns
t_PHZ	OE	Q	C_L = 15 pF		5.5⁽¹⁾	9⁽¹⁾	1⁽¹⁾	10.5⁽¹⁾	1	10.5	1	11.5	ns
t_PLZ	OE	Q	C_L = 15 pF		5.5⁽¹⁾	9⁽¹⁾	1⁽¹⁾	10.5⁽¹⁾	1	10.5	1	11.5	ns
t_PLH	CLK	Q	C_L = 50 pF		7	10.6	1	12	1	12	1	13	ns
t_PHL	CLK	Q	C_L = 50 pF		7	10.6	1	12	1	12	1	13	ns
t_PZH	OE	Q	C_L = 50 pF		6	11	1	12.5	1	12.5	1	13.5	ns
t_PZL	OE	Q	C_L = 50 pF		6	11	1	12.5	1	12.5	1	13.5	ns
t_PHZ	OE	Q	C_L = 50 pF		7	10.1	1	11.5	1	11.5	1	13	ns
t_PLZ	OE	Q	C_L = 50 pF		7	10.1	1	11.5	1	11.5	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.