米6体育平台手机版

ZHCSPU7G November 1998 – October 2022 CD54HC240 , CD54HC244 , CD54HCT240 , CD54HCT241 , CD54HCT244 , CD74HC240 , CD74HC241 , CD74HC244 , CD74HCT240 , CD74HCT241 , CD74HCT244

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机械数据 (封装 | 引脚)

J|20

散热焊盘机械数据 (封装 | 引脚)

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5.6 Electrical Characteristics '244

PARAMETER		TEST CONDITIONS⁽²⁾	V_CC (V)	25℃			–40℃ to 85℃		–55℃ to 125℃		UNIT
PARAMETER		TEST CONDITIONS⁽²⁾	V_CC (V)	MIN	TYP	MAX	MIN	MAX	MIN	MAX	UNIT
HC TYPES
V_IH	High level input voltage		2	1.5			1.5		1.5		V
			4.5	3.15			3.15		3.15
			6	4.2			4.2		4.2
V_IL	Low level input voltage		2			0.5		0.5		0.5	V
			4.5			1.35		1.35		1.35
			6			1.8		1.8		1.8
V_OH	High level output voltage	I_OH = – 20 μA	2	1.9			1.9		1.9		V
		I_OH = – 20 μA	4.5	4.4			4.4		4.4
		I_OH = – 20 μA	6	5.9			5.9		5.9
	High level output voltage	I_OH = – 6 mA	4.5	3.98			3.84		3.7
	High level output voltage	I_OH = – 7.8 mA	6	5.48			5.34		5.2
V_OL	Low level output voltage	I_OL = 20 μA	2			0.1		0.1		0.1	V
		I_OL = 20 μA	4.5			0.1		0.1		0.1
		I_OL = 20 μA	6			0.1		0.1		0.1
	Low level output voltage	I_OL = 6 mA	4.5			0.26		0.33		0.4
	Low level output voltage	I_OL = 7.8 mA	6			0.26		0.33		0.4
I_I	Input leakage current	V_I = V_CC or GND	6			±0.1		±1		±1	μA
I_CC	Supply current	V_I = V_CC or GND	6			8		80		160	μA
I_OZ	Three-state leakage current		6			±0.5		±0.5		±10	μA
HCT TYPES
V_IH	High level input voltage		4.5 to 5.5	2			2		2		V
V_IL	Low level input voltage		4.5 to 5.5			0.8		0.8		0.8	V
V_OH	High level output voltage	V_OH = – 20 μA	4.5	4.4			4.4		4.4		V
V_OH	High level output voltage	V_OH = – 6 mA	4.5	3.98			3.84		3.7		V
V_OL	Low level output voltage	V_OL = 20 μA	4.5			0.1		0.1		0.1	V
V_OL	Low level output voltage	V_OL = 6 mA	4.5			0.26		0.33		0.4	V
I_I	Input leakage current	V_I = V_CC or GND	5.5			±0.1		±1		±1	μA
I_CC	Supply current	V_I = V_CC or GND	5.5			8		80		160	μA
I_OZ	Three-state leakage current		5.5			±0.5		±5		±10	μA
ΔI_CC⁽¹⁾	Additional supply current per input pin	nA0 - A3 inputs held at V_CC – 2.1	4.5 to 5.5		100	252		315		343	μA
		1OE inputs held at V_CC – 2.1	4.5 to 5.5		100	252		315		343	μA
		2OE inputs held at V_CC – 2.1	4.5 to 5.5		100	252		315		343	μA

(1) For dual-supply systems theoretical worst case (V_I = 2.4 V, V_CC = 5.5 V) specification is 1.8 mA.

(2) V_I = V_IH or V_IL, unless otherwise noted.