SCLS352 Data sheet

SCLS352I July 1997 – January 2025 SN54AHC123A , SN74AHC123A

PRODUCTION DATA

4.8 Switching Characteristics, V_CC = 3.3V ± 0.3V

over recommended operating free-air temperature range, V_CC = 3.3 V ± 0.3 V (unless otherwise noted) (see Load Circuit and Voltage Waveforms)

PARAMETER	FROM (INPUT)	TO (OUTPUT)	TEST CONDITIONS	T_A = 25°C			SN54AHC123A		SN74AHC123A		UNIT
PARAMETER	FROM (INPUT)	TO (OUTPUT)	TEST CONDITIONS	MIN	TYP	MAX	MIN	MAX	MIN	MAX	UNIT
t_PLH	A or B	Q or Q	C_L = 15 pF		9.5⁽¹⁾	20.6⁽¹⁾	1⁽¹⁾	24⁽¹⁾	1	24	ns
t_PHL	A or B	Q or Q	C_L = 15 pF		10.2⁽¹⁾	20.6⁽¹⁾	1⁽¹⁾	24⁽¹⁾	1	24	ns
t_PLH	CLR	Q or Q	C_L = 15 pF		7.5⁽¹⁾	15.8⁽¹⁾	1⁽¹⁾	18.5⁽¹⁾	1	18.5	ns
t_PHL	CLR	Q or Q	C_L = 15 pF		9.3⁽¹⁾	15.8⁽¹⁾	1⁽¹⁾	18.5⁽¹⁾	1	18.5	ns
t_PLH	CLR trigger	Q or Q	C_L = 15 pF		10⁽¹⁾	22.4⁽¹⁾	1⁽¹⁾	26⁽¹⁾	1	26	ns
t_PHL	CLR trigger	Q or Q	C_L = 15 pF		10.6⁽¹⁾	22.4⁽¹⁾	1⁽¹⁾	26⁽¹⁾	1	26	ns
t_PLH	A or B	Q or Q	C_L = 50 pF		10.5	24.1	1	27.5	1	27.5	ns
t_PHL	A or B	Q or Q	C_L = 50 pF		11.8	24.1	1	27.5	1	27.5	ns
t_PLH	CLR	Q or Q	C_L = 50 pF		8.9	19.3	1	22	1	22	ns
t_PHL	CLR	Q or Q	C_L = 50 pF		10.5	19.3	1	22	1	22	ns
t_PLH	CLR trigger	Q or Q	C_L = 50 pF		11	25.9	1	29.5	1	29.5	ns
t_PHL	CLR trigger	Q or Q	C_L = 50 pF		12.3	25.9	1	29.5	1	29.5	ns
t_w ⁽²⁾		Q or Q	C_L = 50 pF, C_ext = 28 pF, R_ext = 2 kΩ		182	240		300		300	ns
			C_L = 50 pF, C_ext = 0.01 μF, R_ext = 10 kΩ	90	100	110	90	110	90	110	μs
			C_L = 50 pF, C_ext = 0.1 μF, R_ext = 10 kΩ	0.9	1	1.1	0.9	1.1	0.9	1.1	ms
Δt_w ⁽³⁾					±1						%

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

(2) t_w = Pulse duration at Q and Q outputs

(3) Δ_tw = Output pulse-duration variation (Q and Q) between circuits in same package