SCLS255 Data sheet

SCLS255N December 1995 – February 2024 SN54AHC74 , SN74AHC74

PRODUCTION DATA

Refer to the PDF data sheet for device specific package drawings

5.9 Switching Characteristics — V_CC = 5 V ± 0.5 V

over recommended operating free-air temperature range, (unless otherwise noted)

PARAMETER	FROM (INPUT)	TO (OUTPUT)	LOAD CAPACITANCE	T_A = 25°C			SN54AHC74		–40°C to +85°C SN74AHC74		–40°C to +125°C SN74AHC74		UNIT
PARAMETER	FROM (INPUT)	TO (OUTPUT)	LOAD CAPACITANCE	MIN	TYP	MAX	MIN	MAX	MIN	MAX	MIN	MAX	UNIT
f_max			C_L = 15 pF	130⁽¹⁾	170⁽¹⁾		110⁽¹⁾		110		110		MHz
f_max			C_L = 50 pF	90	115		75		75		75		MHz
t_PLH	PRE or CLR	Q or Q	C_L = 15 pF		4.8⁽¹⁾	7.7⁽¹⁾	1⁽¹⁾	9⁽¹⁾	1	9	1	9	ns
t_PHL	PRE or CLR	Q or Q	C_L = 15 pF		4.8⁽¹⁾	7.7⁽¹⁾	1⁽¹⁾	9⁽¹⁾	1	9	1	9	ns
t_PLH	CLK	Q or Q	C_L = 15 pF		4.6⁽¹⁾	7.3⁽¹⁾	1⁽¹⁾	8.5⁽¹⁾	1	8.5	1	8.5	ns
t_PHL	CLK	Q or Q	C_L = 15 pF		4.6⁽¹⁾	7.3⁽¹⁾	1⁽¹⁾	8.5⁽¹⁾	1	8.5	1	8.5	ns
t_PLH	PRE or CLR	Q or Q	C_L = 50 pF		6.3	9.7	1	11	1	11	1	11	ns
t_PHL	PRE or CLR	Q or Q	C_L = 50 pF		6.3	9.7	1	11	1	11	1	11	ns
t_PLH	CLK	Q or Q	C_L = 50 pF		6.1	9.3	1	10.5	1	10.5	1	10.5	ns
t_PHL	CLK	Q or Q	C_L = 50 pF		6.1	9.3	1	10.5	1	10.5	1	10.5	ns

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