Buffers | MC74VHCT244A

八路总线缓冲器/线路驱动器

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MC74VHCT244A 是先进的高速 CMOS 八路总线缓冲器，采用硅门极 CMOS 工艺制造。它能实现与同等双极肖特基 TTL 相似的高速运行，同时还保持 CMOS 低功耗。MC74VHCT244A 是一款非反相 3 态缓冲器，具有两个有效低电平输出启用。此器件设计用于 3 态内存地址驱动器等。VHCT 输入与 TTL 电平兼容。此器件具有全 5V CMOS 电平输出摆幅，可用作电平转换器，将 3.3V 联接至 5.0V。VHCT244A 输入和输出（禁用时）结构在应用 0 - 5.5V 电压时提供保护，而无论电源电压如何。这些输入和输出结构有助于防止电源电压 - 输入/输出电压不匹配、电池备用、热插入等导致的器件损坏。

  • High Speed: tPD = 5.6ns (Typ) at VCC = 5V
  • Low Power Dissipation: ICC = 4µA (Max) at TA = 25 C
  • TTL-Compatible Inputs: VIL = 0.8V; VIH = 2.0V
  • Power Down Protection Provided on Inputs and Outputs
  • Balanced Propagation Delays
  • Designed for 4.5V to 5.5V Operating Range
  • Low Noise: VOLP = 1.1V (Max)
  • Pin and Function Compatible with Other Standard Logic Families
  • Latchup Performance Exceeds 300mA
  • ESD Performance: HBM > 2000V; Machine Model > 200V
  • Chip Complexity: 112 FETs or 28 Equivalent Gates
  • Pb-Free Packages are Available*

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MC74VHCT244ADTG

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Pb

A

H

P

TSSOP-20

9.48

1

260

TUBE

75

N

8

3-State

4.5

5.5

8.4

8

$0.3948

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MC74VHCT244ADTRG

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Pb

A

H

P

TSSOP-20

9.48

1

260

REEL

2500

N

8

3-State

4.5

5.5

8.4

8

$0.3948

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MC74VHCT244ADWR2G

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CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

REEL

1000

F

8

3-State

4.5

5.5

8.4

8

$0.3528

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MC74VHCT244ADWRG

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CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

REEL

1000

N

8

3-State

4.5

5.5

8.4

8

$0.4816

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Die Related Summary Data

Device: MC74VHCT244ADTG

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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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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