带 3 态输出的八路缓冲器/线路驱动器

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概览

VHCT245A 是一种先进的高速 CMOS 八路总线收发器,采用硅门极 CMOS 工艺制造。它实现了与同等双极肖特基 TTL 相似的高运行速度,同时保持了 CMOS 低功耗。VHCT245A 适用于数据总线间的双向异步通信。数据传输方向由 T/R 输入电平确定。启用输入可用于禁用器件,从而有效绝缘总线。保护电路可确保对输入和输出(注释 1)引脚应用 0V 到 7V 电压而无需考虑电源电压。这些电路可防止器件由于不匹配的供电和输入/输出电压而损坏。此器件可用作 5V 系统与 3V 系统以及两种电源系统的接口,如备用电池。

  • This product is general usage and suitable for many different applications.
  • 高速: VCC = 5V时,tPD = 5.4 ns(典型值)
  • 输入和输出上提供关断保护
  • 低功耗: TA = 25°C时,ICC = 2 µA(最大值)
  • 与74HCT245引脚和功能兼容

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74VHCT245AM

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CAD Model

Pb

A

H

P

SOIC-20W

1

260

TUBE

1080

N

Buffer

8

4.5

5.5

5.4

8

Price N/A

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74VHCT245AMTC

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Pb

A

H

P

TSSOP-20

1

260

TUBE

1825

N

Buffer

8

4.5

5.5

5.4

8

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74VHCT245AMTCX

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Pb

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H

P

TSSOP-20

1

260

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2500

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Buffer

8

4.5

5.5

5.4

8

$0.3277

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74VHCT245AMX

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Pb

A

H

P

SOIC-20W

1

260

REEL

1000

N

Buffer

8

4.5

5.5

5.4

8

Price N/A

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