SCLS087 Data sheet

SCLS087F December 1982 – June 2021 SN54HC21 , SN74HC21

PRODUCTION DATA

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6.5 Electrical Characteristics - 54

over operating free-air temperature range; typical values measured at TA = 25°C (unless otherwise noted).

PARAMETER		TEST CONDITIONS		V_CC	Operating free-air temperature (T_A)									UNIT
					25°C			–40°C to 85°C			–55°C to 125°C
					MIN	TYP	MAX	MIN	TYP	MAX	MIN	TYP	MAX
V_OH	High-level output voltage	V_I = V_IH or V_IL	I_OH = –20 µA	2 V	1.9	1.998		1.9			1.9			V
				4.5 V	4.4	4.499		4.4			4.4
				6 V	5.9	5.999		5.9			5.9
			I_OH = –4 mA	4.5 V	3.98	4.3		3.84			3.7
			I_OH = –5.2 mA	6 V	5.48	5.8		5.34			5.2
V_OL	Low-level output voltage	V_I = V_IH or V_IL	I_OL = 20 µA	2 V		0.002	0.1			0.1			0.1	V
				4.5 V		0.001	0.1			0.1			0.1
				6 V		0.001	0.1			0.1			0.1
			I_OL = 4 mA	4.5 V		0.17	0.26			0.33			0.4
			I_OL = 5.2 mA	6 V		0.15	0.26			0.33			0.4
I_I	Input leakage current	V_I = V_CC or 0		6 V			±0.1			±1			±1	µA
I_CC	Supply current	V_I = V_CC or 0	I_O = 0	6 V			2			20			40	µA
C_i	Input capacitance			2 V to 6 V		3	10			10			10	pF