带 3 状态输出的八路缓冲器/线路驱动器

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概览

VHC244 是一种先进的高速 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,同时还能保持 CMOS 低功耗。VHC244 是一款非反向 3 态缓冲器,具有两个有效低电平输出启用。该器件可用作 3 态内存地址驱动器、时钟驱动器和总线导向的发射器/接收器。输入保护电路可确保对输入引脚应用 0V 到 7V 电压而无需考虑电源电压。此器件可用于将 5V 系统与 3V 系统以及两种电源系统的接口,如备用电池。此电路可防止器件由于不匹配的供电和输入电压而损坏。

  • This product is general usage and suitable for many different applications.
  • 高速: VCC = 5V时,tPD = 3.9 ns(典型值)
  • 高抗噪能力: VNIH = VNIL = 28% VCC (最小值)
  • 所有输入上都提供掉电保护
  • 低噪声: VOLP = 0.6V(典型值)
  • 低功耗: TA = 25°C时,ICC = 2 µA(最大值)
  • 引脚和功能与74HC244兼容

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74VHC244M

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Pb

A

H

P

SOIC-20W

1

260

TUBE

1080

N

8

3-State

2

5.5

3.9

8

Price N/A

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74VHC244MTC

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Pb

A

H

P

TSSOP-20

1

260

TUBE

1825

N

8

3-State

2

5.5

3.9

8

$0.3188

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74VHC244MTCX

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A

H

P

TSSOP-20

1

260

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2500

N

8

3-State

2

5.5

3.9

8

$0.3188

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74VHC244MX

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A

H

P

SOIC-20W

1

260

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1000

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8

3-State

2

5.5

3.9

8

Price N/A

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