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ZHCSS89S December 1995 – February 2024 SN54AHCT126 , SN74AHCT126

PRODUCTION DATA

5.5 Electrical Characteristics

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

PARAMETER	TEST CONDITIONS		V_CC	T_A = 25°C			SN54AHCT126		SN74AHCT126		SN74AHCT126 –40 to 125°C		UNIT
PARAMETER	TEST CONDITIONS		V_CC	MIN	TYP	MAX	MIN	MAX	MIN	MAX	MIN	MAX	UNIT
V_OH	I_OH = –50 µA		4.5 V	4.4	4.5		4.4		4.4		4.4		V
V_OH	I_OH = –8 mA		4.5 V	3.94			3.8		3.8		3.8		V
V_OL	I_OL = 50 µA		4.5 V			0.1		0.1		0.1		0.1	V
V_OL	I_OL = 8 mA		4.5 V			0.36		0.44		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		±1	µA
I_OZ	V_O = V_CC or GND		5.5 V			±0.25		±2.5		±2.5		±2.5	µA
I_CC	V_I = V_CC or GND	I_O = 0	5.5 V			2		20		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		1.5	mA
C_i	V_I = V_CC or GND		5 V		4	10				10			pF
C_o	V_O = V_CC or GND		5 V		15								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.