Bus Transceivers | MM74HC245A

八路 3 态收发器

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MM74HC245A 3 态双向缓冲器利用先进的硅门极 CMOS 技术，适用于数据总线之间的双向异步通信。它具有高驱动电流输出，即使驱动较大的总线电容也能实现高速运行。该电路具有通常与 CMOS 电路相关的低功耗和高抗干扰度，而速度却可与低功率肖特基 TTL 电路相媲美。此器件具有有效低电平启用输入 G# 和方向控制输入 DIR。当 DIR 为高电平 时，数据从 A 输入流向 B 输出。当 DIR 为低电平时，数据从 B 输入流向 A 输出。MM74HC245A 将真实数据从一个总线传送到另一个总线。此器件可以驱动最多 15 个 LS-TTL 负载，并且没有施密特触发器输入。通过将二极管箝位到 VCC 和接地，可防止所有输入因静电放电而受损。

  • This product is general usage and suitable for many different applications.

  • 典型传播延迟： 13 ns
  • 宽电源范围： 2-6V
  • 低静态电流： 80 µA最大值(74 HC)
  • 3态输出用于连接总线导向系统
  • 高输出驱动： 6 mA（最小值）
  • 与645相同

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MM74HC245AMTC

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Pb

A

H

P

TSSOP-20

9.48

1

260

TUBE

75

N

8

3-State

2

6

15

7.8

$0.3369

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MM74HC245AMTCX

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Pb

A

H

P

TSSOP-20

948AQ

1

260

REEL

2500

N

8

3-State

2

6

15

7.8

$0.2764

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MM74HC245AWM

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Pb

A

H

P

SOIC-20W

751D-05

3

260

TUBE

38

N

8

3-State

2

6

15

7.8

$0.3733

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MM74HC245AWMX

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CAD Model

Pb

A

H

P

SOIC-20W

751BJ

3

260

REEL

1000

N

8

3-State

2

6

15

7.8

$0.3548

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Die Related Summary Data

Device: MM74HC245AMTC

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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Data is based on the following assumptions.

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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