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• SN74LS139A: Output States without Power

  

  ReedKacz

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  Part Number: SN74LS139A Other Parts Discussed in Thread: SN54LS139A Hello, My customer is looking at the output of the SN54LS139A when there is no VCC (or VCC is below ON threshold) - Do the outputs operate as high impedance or do they tie to VCC or…

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  • over 5 years ago
  • Logic
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