Buffers | 74AC540

带 3 状态输出的八路缓冲器/线路驱动器

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概览

AC540 是一款八路缓冲器/线路驱动器，可用作内存和地址驱动器、时钟驱动器和总线导向型发射器/接收器。此类器件与 AC240 的功能相似，同时还提供通流体系结构（输入位于输出的对侧）。这种引脚输出布置使得这些器件尤其适合用作微处理器的输出端口，从而简化布局，实现更好的 PC 主板密度。

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

  • ICC和IOZ降低50%
  • 3态反相输出
  • 输出和输出在封装相反的两侧，更易于与微处理器接口
  • 24 mA输出源电流/灌电流

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Case Outline

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MSL Temp (°C)

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Output

VCC Min (V)

VCC Max (V)

tpd Max (ns)

IO Max (mA)

Reference Price

74AC540SC

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Obsolete

CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

TUBE

38

N

8

3-State

2

6

4

24

Price N/A

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74AC540SCX

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Active

CAD Model

Pb

A

H

P

SOIC-20W

751BJ

3

260

REEL

1000

N

8

3-State

2

6

4

24

$0.4448

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可靠性数据

Die Related Summary Data

Device: 74AC540SC

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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Re-calculate Data

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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