Multiplexers | MC74LCX139

双低电压 CMOS 2/4 解码器/信号分离器

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概览

MC74LCX139 是一款高性能的2/4 解码器/信号分离器，基于 2.3 至 3.6 V 电源运行。高阻抗 TTL 兼容输入可明显降低输入驱动器的电流负载，而 TTL 兼容输出改善了开关噪声性能。5.5 V 的 VI 规格使得 MC74LCX139 输入能够基于 5 V 器件进行安全驱动。MC74LCX139 适用于内存地址解码和其他 TTL 级总线导向应用。MC74LCX139 高速 2/4 解码器/信号分离器接受两个二进制权重输入（A0，A1），启用时将提供四个互斥有效低电平输出。LCX139 提供有效低电平启用输入。所有输出均为高电平，除了 En 为低电平。LCX139 使用一个有效低电平启用输入作为数据输入，其他启用输入作为极性，可用作 8 输出信号分离器。不适用的启用输入必须永久性接地。电流驱动能力为输出处 24mA。

  • Designed for 2.3 to 3.6V VCC Operation
  • 5V Tolerant Inputs - Interface Capability With 5V TTL Logic
  • LVTTL Compatible
  • LVCMOS Compatible
  • 24mA Balanced Output Sink and Source Capability
  • Near Zero Static Supply Current (10µA) Substantially Reduces System Power Requirements
  • Latchup Performance Exceeds 500mA
  • ESD Performance: Human Body Model >2000V; Machine Model >200V
  • Pb-Free Packages are Available*

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MC74LCX139DR2G

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Pb

A

H

P

SOIC-16

751B-05

1

260

REEL

2500

N

2

2

3.6

6.2

null

Price N/A

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MC74LCX139DTG

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Obsolete

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Pb

A

H

P

TSSOP-16

948F-01

1

260

TUBE

96

N

2

2

3.6

6.2

null

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MC74LCX139DTR2G

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CAD Model

Pb

A

H

P

TSSOP-16

948F-01

1

260

REEL

2500

N

2

2

3.6

6.2

null

Price N/A

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可靠性数据

Die Related Summary Data

Device: MC74LCX139DR2G

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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