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参数对比

与SN74HC21NSRE4相近的元器件有：SN74HC21DTG4、SN74HC21DTE4、SN74HC21PWG4、SN74HC21PWTE4、SN74HC21PWTG4、SN74HC21PWE4、SN74HC21NSRG4、SN74HC21PWRG4。描述及对比如下：

型号	SN74HC21NSRE4	SN74HC21DTG4	SN74HC21DTE4	SN74HC21PWG4	SN74HC21PWTE4	SN74HC21PWTG4	SN74HC21PWE4	SN74HC21NSRG4	SN74HC21PWRG4
描述	AND Gate, HC/UH Series, 2-Func, 4-Input, CMOS, PDSO14, GREEN, PLASTIC, SOP-14	AND Gate, HC/UH Series, 2-Func, 4-Input, CMOS, PDSO14, GREEN, PLASTIC, MS-012AB, SOIC-14	AND Gate, HC/UH Series, 2-Func, 4-Input, CMOS, PDSO14, GREEN, PLASTIC, MS-012AB, SOIC-14	AND Gate, HC/UH Series, 2-Func, 4-Input, CMOS, PDSO14, GREEN, PLASTIC, TSSOP-14	AND Gate, HC/UH Series, 2-Func, 4-Input, CMOS, PDSO14, GREEN, PLASTIC, TSSOP-14	AND Gate, HC/UH Series, 2-Func, 4-Input, CMOS, PDSO14, GREEN, PLASTIC, TSSOP-14	AND Gate, HC/UH Series, 2-Func, 4-Input, CMOS, PDSO14, GREEN, PLASTIC, TSSOP-14	AND Gate, HC/UH Series, 2-Func, 4-Input, CMOS, PDSO14, GREEN, PLASTIC, SOP-14	AND Gate, HC/UH Series, 2-Func, 4-Input, CMOS, PDSO14, GREEN, PLASTIC, TSSOP-14
厂商名称	Rochester Electronics	Rochester Electronics	Rochester Electronics	Rochester Electronics	Rochester Electronics	Rochester Electronics	Rochester Electronics	Rochester Electronics	Rochester Electronics
包装说明	SOP,	SOP,	SOP,	GREEN, PLASTIC, TSSOP-14	TSSOP,	TSSOP,	TSSOP,	SOP,	TSSOP,
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown	unknown	unknown	unknown	unknown
系列	HC/UH	HC/UH	HC/UH	HC/UH	HC/UH	HC/UH	HC/UH	HC/UH	HC/UH
JESD-30 代码	R-PDSO-G14	R-PDSO-G14	R-PDSO-G14	R-PDSO-G14	R-PDSO-G14	R-PDSO-G14	R-PDSO-G14	R-PDSO-G14	R-PDSO-G14
长度	10.2 mm	8.65 mm	8.65 mm	5 mm	5 mm	5 mm	5 mm	10.2 mm	5 mm
逻辑集成电路类型	AND GATE	AND GATE	AND GATE	AND GATE	AND GATE	AND GATE	AND GATE	AND GATE	AND GATE
功能数量	2	2	2	2	2	2	2	2	2
输入次数	4	4	4	4	4	4	4	4	4
端子数量	14	14	14	14	14	14	14	14	14
最高工作温度	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C
最低工作温度	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
封装主体材料	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
封装代码	SOP	SOP	SOP	TSSOP	TSSOP	TSSOP	TSSOP	SOP	TSSOP
封装形状	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
封装形式	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
传播延迟（tpd）	140 ns	140 ns	140 ns	140 ns	140 ns	140 ns	140 ns	140 ns	140 ns
座面最大高度	2 mm	1.75 mm	1.75 mm	1.2 mm	1.2 mm	1.2 mm	1.2 mm	2 mm	1.2 mm
最大供电电压 (Vsup)	6 V	6 V	6 V	6 V	6 V	6 V	6 V	6 V	6 V
最小供电电压 (Vsup)	2 V	2 V	2 V	2 V	2 V	2 V	2 V	2 V	2 V
标称供电电压 (Vsup)	5 V	5 V	5 V	5 V	5 V	5 V	5 V	5 V	5 V
表面贴装	YES	YES	YES	YES	YES	YES	YES	YES	YES
技术	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
温度等级	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
端子形式	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING
端子节距	1.27 mm	1.27 mm	1.27 mm	0.65 mm	0.65 mm	0.65 mm	0.65 mm	1.27 mm	0.65 mm
端子位置	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
宽度	5.3 mm	3.9 mm	3.9 mm	4.4 mm	4.4 mm	4.4 mm	4.4 mm	5.3 mm	4.4 mm