米6体育平台手机版

ZHCSQ25E December 1982 – February 2022 SN54HC157 , SN74HC157

PRODUCTION DATA

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⁽¹⁾		V_CC	T_A = 25°C			SN54HC253		SN74HC253		UNIT
PARAMETER	TEST CONDITIONS⁽¹⁾		V_CC	MIN	TYP	MAX	MIN	MAX	MIN	MAX	UNIT
V_OH	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 = −6 mA		4.5 V	3.98	4.3		3.7		3.84
	I_OH = −7.8 mA		6 V	5.48	5.8		5.2		5.34
V_OL	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 = 6 mA		4.5 V		0.17	0.26		0.4		0.33
	I_OL = 7.8 mA		6 V		0.15	0.26		0.4		0.33
I_I	V_I = V_CC or 0		6 V		±0.1	±100		±1000		±1000	nA
I_CC	V_I = V_CC or 0	I_O = 0	6 V			8		160		80	μA
C_i			2 V to 6 V		3	10		10		10	pF

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