米6体育平台手机版

ZHCSS50A february 2002 – may 2023 SN74AHCT244Q

PRODMIX

请参考 PDF 数据表获取器件具体的封装图。

5.4 Electrical Characteristics

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

PARAMETER	TEST CONDITIONS		V_CC	T_A = 25°C			MIN	MAX	UNIT
PARAMETER	TEST CONDITIONS		V_CC	MIN	TYP	MAX	MIN	MAX	UNIT
V_OH	I_OH = -50 μΑ		4.5 V	4.4	4.5		4.4		V
V_OH	I_OH = -8 mA		4.5 V	3.94			3.8		V
V_OL	I_OL = 50 μΑ		4.5 V			0.1		0.1	V
V_OL	I_OL = 8 mA		4.5 V			0.36		0.44	V
I_OZ	V_o = V_CC or GND		5.5 V			±0.25		±2.5	μA
I_I	V_I = 5.5 V or GND		0 V to 5.5 V			±0.1		±1	μA
I_CC	V_I = V_CC or GND,	I_O = 0	5.5 V			4		40	μA
ΔI_CC ^⁽¹⁾	One input at 3.4 V, Other inputs at V_CC or GND		5.5 V			1.35		1.5	mA
C_i	V_I = V_CC or GND		5 V		2.5	10			pF
C_O	Vo = V_CC or gnd		5 V		3				pF

(1) 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.