• SN74LS138: 74LS138 G1 Enable pin - pulldown recommendation?

  

  Bob Shaffer

  TI Thinks Resolved

  Part Number: SN74LS138 Tool/software: We have an SN74LS138 device, powered by 5V, with individual 10K pulldown resistors to ground on the G1 (pin6) and A/B/C (pins 1,2,3) inputs. When I measure the G1 input, without any signal driving it, it measures…

  • 8 months ago
  • Logic
  • Logic forum

• Calculate number of outputs SN74LS138

  

  Abel Valero

  Other Parts Discussed in Thread: SN74LS138 Hi everybody, I have a question regarding full color displays. As you know, normally to select the active line in LED displays we use a demultiplexer (SN74LS138) for example which outputs are connected to MOSFETs…

  • over 10 years ago
  • Power management
  • Power management forum
Answered

• TMS320F28377S: 7segment-LED control circuit

  

  Naoki Okada

  Resolved

  Part Number: TMS320F28377S Other Parts Discussed in Thread: SN74LS138 , C2000WARE Using TMS320F28377Ss and ICM7228(or ICM7218), I want to control 7segment-LED. Please tell me the LED control circuit using A and B, when using GPIO, and when using the Line…

  • Resolved

  • over 5 years ago
  • C2000™︎ microcontrollers
  • C2000 microcontrollers forum

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