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SN54LS399J

Texas Instruments 信号开关，多路复用器，解码器

更新日期：2024-04-01

SN54LS399J

Texas Instruments 信号开关，多路复用器，解码器

产品简介：具有存储器的四路双输入多路复用器

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SN54LS399J 供应商

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SN54LS399J 中文资料属性参数

  • 现有数量：0现货2,172Factory
  • 价格：在售
  • 系列：*
  • 包装：管件
  • 产品状态：在售
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产品特性

  • Single-Rail Outputs on 'LS399
  • Selects One of Two 4-Bit Data Sources and Stores Data Synchronously with System Clock
  • Applications: Dual Source for Operands and Constants in Arithmetic Processor; Can Release Processor Register Files for Acquiring New Data Implement Separate Registers Capable of Parallel Exchange of Contents Yet Retain External Load Capability Universal Type Register for Implementing Various Shift Patterns: Even Has Compound Left-Right Capabilities
  • Dual Source for Operands and Constants in Arithmetic Processor; Can Release Processor Register Files for Acquiring New Data
  • Implement Separate Registers Capable of Parallel Exchange of Contents Yet Retain External Load Capability
  • Universal Type Register for Implementing Various Shift Patterns: Even Has Compound Left-Right Capabilities

产品概述

This monolithic quadruple two-input multiplexer with storage provides essentially the equivalent functional capabilities of two separate MSI functions (SN54LS157/SN74LS157 and SN54LS175/SN74LS175) in a single 16-pin package. When the word-select input is low, word 1 (A1, B1, C1, D1) is applied to the flip-flops. A high input to word select will cause the selection of word 2 (A2, B2, C2, D2). The selected word is clocked to the output terminals on the positive-going edge of the clock pulse. Typical power dissipation is 37 milliwatts. The SN54LS399 is characterized for operation over the full military range of -55°C to 125°C. The SN74LS399 is characterized for operation from 0°C to 70°C.  
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