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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MC74AC163DR2G

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SOIC-16

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260

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2500

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6

9.5

0.35

24

$0.2731

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