Bus Transceivers | 74LVT245

低电压八路双向收发器，带 3 态输入/输出

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概览

LVT245 和 LVTH245 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。发射/接收 (T/R#) 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。LVTH245 数据输入包括总线保持，无需外部上拉电阻来保持未使用的输入。这些收发器适用于低电压 (3.3V) VCC 应用，但能够提供到 5V 环境的 TTL 接口。LVT245 和 LVTH245 采用先进的 BiCMOS 工艺制造，在保持低功耗的同时，实现了与 5V ABT 类似的高速运行。

  • This product is general usage and suitable for many different applications.
  • 系统在5V VCC时的输入和输出接口能力
  • 总线保持数据输入无需外部上拉电阻即可保持未用的输入(74LVTH245)，另外还提供不含总线保持功能的配置(74LVT245)。
  • 允许带电插/拔
  • 上电/掉电高阻抗提供无干扰总线负载
  • 输出供给/吸收， -32 mA/+64 mA
  • 闩锁性能超过500 mA
  • 静电放电(ESD)性能：人体模型> 2000V机械模型> 200V充电器件模型> 1000V

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Reference Price

74LVT245MTC

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Lifetime

CAD Model

Pb

A

H

P

TSSOP-20

948AQ

1

260

TUBE

1825

N

8

3-State

2.7

3.6

3.5

64

$1.015

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74LVT245MTCX

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Lifetime

CAD Model

Pb

A

H

P

TSSOP-20

948AQ

1

260

REEL

2500

N

8

3-State

2.7

3.6

3.5

64

$1.0186

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74LVT245WM

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Last Shipments

CAD Model

Pb

A

H

P

SOIC-20W

751BJ

1

260

TUBE

1080

N

8

3-State

2.7

3.6

3.5

64

Price N/A

More Details

74LVT245WMX

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Last Shipments

CAD Model

Pb

A

H

P

SOIC-20W

751BJ

1

260

REEL

1000

N

8

3-State

2.7

3.6

3.5

64

Price N/A

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