Multiplexers | 74VHC139

双通道2:4解码器/解复用器

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概览

VHC139是采用硅栅极CMOS技术制造的先进的高速CMOS双通道 2:4解码器/解多路复用器。 它实现了与等效双极型肖特基TTL相似的高速运行，同时保持了CMOS低功耗。 有源低电平使能输入能用于门控或用作解多路复用器的数据输入。 当使能输入保持为高电平时，所有四个输出均固定为高电平，与其他输入无关。 输入保护电路确保0V至7V可应用于输入引脚，无需考虑电源电压。 此器件可用于连接5V至3V系统和两个电源系统（例如备用电池）。 此电路可防止器件因电源和输入电压不匹配而受损。

  • This product is general usage and suitable for many different applications.

  • 高速： TA = 25°C时，tPD = 5.0 ns（典型值）
  • 低功耗： TA = 25°C时，ICC = 2 µA（最大值）
  • 高抗噪能力： VNIH = VNIL = 28% VCC（最小值）
  • 所有输入上都提供掉电保护
  • 引脚和功能与74HC139兼容

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74VHC139M

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CAD Model

Pb

A

H

P

SOIC-16

751B-05

1

260

TUBE

48

N

2

2

5.5

6.5

8

Price N/A

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74VHC139MTC

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A

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TSSOP-16

948F-01

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260

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96

N

2

2

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6.5

8

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74VHC139MTCX

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Pb

A

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P

TSSOP-16

948AH

1

260

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2500

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2

2

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6.5

8

$0.2444

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74VHC139MX

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A

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P

SOIC-16

751BG

1

260

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2500

N

2

2

5.5

6.5

8

$0.2832

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74VHC139N

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E-PKG AXIAL-LEADED GLASS DIODE

017AE

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2500

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6.5

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可靠性数据

Die Related Summary Data

Device: 74VHC139M

Equivalent to wafer fab process: CMOS SUB

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等效器件小时

平均故障间隔时间/平均无故障时间（按小时计算）

FITS

CMOS SUB

2

920154574

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Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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