八路双向收发器,带 3 态输入/输出

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MC74AC245/74ACT245 包含八个带有 3 态输出的非反相双向缓冲器, 适用于总线导向型应用。汲电流能力在 A 和 B 端口 均为 24 mA。发射/接收 (T/Rbar) 输入 决定了数据流经双向收发器的方向。发射 (有效高电平)让数据能够从 A 端口流向 B 端口;接收(有效低电平)则让数据 能够从 B 端口流向 A 端口。输出启用输入如果为高电平则会将 A 端口和 B 端口置于高电平 Z 状态,从而将两者禁用。

  • Noninverting Buffers
  • Bidirectional Data Path
  • A and B Outputs Source/Sink 24 mA
  • ACT245 Has TTL Compatible Inputs
  • Pb-Free Packages are Available

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MC74ACT245DTG

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Pb

A

H

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TSSOP-20

1

260

TUBE

75

N

8

3-State

4.5

5.5

8

24

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MC74ACT245DTR2G

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TSSOP-20

1

260

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2500

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8

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4.5

5.5

8

24

$0.3753

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MC74ACT245DWG

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SOIC-20W

3

260

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38

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8

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5.5

8

24

$0.4808

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MC74ACT245DWR2G

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A

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SOIC-20W

3

260

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1000

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8

3-State

4.5

5.5

8

24

$0.4623

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