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SN74LS194A的基本参数
  • 制造厂商:TI
  • 产品类别:逻辑和电压转换
  • 技术类目:触发器、锁存器和寄存器 - 移位寄存器
  • 功能描述:双向通用移位寄存器
  • 点击这里打开及下载SN74LS194A的技术文档资料
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SN74LS194A的产品详情:

These bidirectional shift registers are designed to incorporate virtually all of the features a system designer may want in a shift register. The circuit contains 46 equivalent gates and features parallel inputs, parallel outputs, right-shift and left-shift serial inputs, operating-mode-control inputs, and a direct overriding clear line. The register has four distinct modes of operation, namely:

  • Inhibit clock (do nothing)
  • Shift right (in the direction QA toward QD)
  • Shift left (in the direction QD toward QA)
  • Parallel (broadside) load

Synchronous parallel loading is accomplished by applying the four bits of data and taking both mode control inputs, S0 and S1, high. The data are loaded into the associated flip-flops and appear at the outputs after the positive transition of the clock input. During loading, serial data flow is inhibited.

Shift right is accomplished synchronously with the rising edge of the clock pulse when S0 is high and S1 is low. Serial data for this mode is entered at the shift-right data input. When S0 is low and S1 is high, data shifts left synchronously and new data is entered at the shift-left serial input.

Clocking of the shift register is inhibited when both mode control inputs are low. The mode controls of the SN54194/SN74194 should be changed only while the clock input is high.

 

SN74LS194A的优势和特性:
  • Parallel Inputs and Outputs
  • Four Operating Modes:
    • Synchronous Parallel Load
    • Right Shift
    • Left Shift
    • Do Nothing
  • Positive Edge-Triggered Clocking
  • Direct Overriding Clear

SN74LS194A的参数(英文):
  • Configuration
  • Universal
  • Bits (#)
  • 4
  • Technology Family
  • LS
  • Supply voltage (Min) (V)
  • 4.75
  • Supply voltage (Max) (V)
  • 5.25
  • Input type
  • Bipolar
  • Output type
  • Push-Pull
  • Clock Frequency (MHz)
  • 25
  • IOL (Max) (mA)
  • 8
  • IOH (Max) (mA)
  • -0.4
  • ICC (Max) (uA)
  • 63000
  • Features
  • High speed (tpd 10-50ns)
SN74LS194A具体的完整产品型号参数及价格(美元):

SN74LS194A的完整型号有:SN74LS194AD、SN74LS194AN,以下是这些产品的关键参数及官网采购报价:

SN74LS194AD,工作温度:0 to 70,封装:SOIC (D)-16,包装数量MPQ:40个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网SN74LS194AD的批量USD价格:.544(1000+)

SN74LS194AN,工作温度:0 to 70,封装:PDIP (N)-16,包装数量MPQ:25个,MSL 等级/回流焊峰值温度:N/A for Pkg Type,引脚镀层/焊球材料:NIPDAU,TI官网SN74LS194AN的批量USD价格:.626(1000+)

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SN74LS194A的评估套件:

14-24-LOGIC-EVM — 支持 14 到 24 引脚 PW、DB、D、DW、NS、DYY 和 DGV 封装的通用逻辑 EVM

该 EVM 设计用于支持采用 14 至 24 引脚 D、DW、DB、NS、PW、DYY 或 DGV 封装的任何逻辑器件。

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