SCLS246 Data sheet

SCLS246T October 1995 – October 2023 SN54AHCT14 , SN74AHCT14

PRODUCTION DATA

6.5 Electrical Characteristics

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

PARAMETER	TEST CONDITIONS		V_CC	T_A = 25°C			SN54AHCT14		SN74AHCT14		UNIT
PARAMETER	TEST CONDITIONS		V_CC	MIN	TYP	MAX	MIN	MAX	MIN	MAX	UNIT
V_T+ Positive-going input threshold voltage			4.5 V	0.9		1.9	0.9	1.9	0.9	1.9	V
V_T+ Positive-going input threshold voltage			5.5 V	1		2.1	1	2.1	1	2.1	V
V_T– Negative-going input threshold voltage			4.5 V	0.5		1.5	0.5	1.5	0.5	1.5	V
V_T– Negative-going input threshold voltage			5.5 V	0.6		1.7	0.6	1.7	0.6	1.7	V
ΔV_T Hysteresis ( V_T+ – V_T– )			4.5 V	0.4		1.4	0.4	1.4	0.4	1.4	V
ΔV_T Hysteresis ( V_T+ – V_T– )			5.5 V	0.4		1.5	0.4	1.5	0.4	1.5	V
V_OH	I_OH = –50 µA		4.5 V	4.4	4.5		4.4		4.4		V
V_OH	I_OH = –8 mA		4.5 V	3.94			3.8		3.8		V
V_OL	I_OL = 50 µA		4.5 V			0.1		0.1		0.1	V
V_OL	I_OL = 8 mA		4.5 V			0.36		0.44		0.44	V
I_I	V_I = 5.5 V or GND		0 V to 5.5 V			±0.1		±1⁽¹⁾		±1	µA
I_CC	V_I = V_CC or GND	I_O = 0	5.5 V			2		20		20	µA
ΔI_CC⁽²⁾	One input at 3.4 V, Other inputs at V_CC or GND		5.5 V			1.35		1.5		1.5	mA
C_i	V_I = V_CC or GND		5 V		2	10				10	pF

(1) On products compliant to MIL-PRF-38535, this parameter is not production tested at V_CC = 0 V.

(2) This is the increase in supply current for each input at one of the specified TTL voltage levels, rather than 0 V or V_CC.