Arithmetic Logic Functions | MC74AC161

同步可预置二进制计数器

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MC74AC161/74ACT161 和 MC74AC163/74ACT163 为高速同步 模数-16 二进制计数器。它们可进行同步预置，用于可编程分频器中的应用， 具有两种计数启用输入和一个端接计数输出，从而在形成的同步多级计数器中实现 多功能性。 MC74AC161/74ACT161 具有一个异步主重置输入， 可超控所有其他输入并强制输出处于低电平。MC74AC163/ 74ACT163 具有一个同步重置输入，可超控计数和并行负载 ，让输出能够在时钟的上升边同步重置。

  • Synchronous Counting and Loading
  • High-Speed Synchronous Expansion
  • Typical Count Rate of 125 MHz
  • Outputs Source/Sink 24 mA
  • ACT161 and ACT163 Have TTL Compatible Inputs
  • These devices are available in Pb-free package(s). Specifications herein apply to both standard and Pb-free devices. Please see our website at www.onsemi.com for specific Pb-free orderable part numbers, or contact your local ON Semiconductor sales office or representative.

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MC74AC161DG

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Pb

A

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SOIC-16

751B-05

1

260

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48

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9.5

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MC74AC161DR2G

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SOIC-16

751B-05

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260

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2500

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24

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Die Related Summary Data

Device: MC74AC161DG

Equivalent to wafer fab process: CMOS SUB

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平均故障间隔时间/平均无故障时间（按小时计算）

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CMOS SUB

2

920154574

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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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