Which of the following is the correct equation to calculate the minimum pull up resistor for an unused NAND gate input pin?

Which of the following is the correct equation to calculate the minimum pull up resistor for an unused NAND gate input pin?

Which of the following is the correct equation to calculate the minimum pull up resistor for an unused NAND gate input pin?





  1. Vcc-I(ihmax)R(pu) >= V(ohmin)
  2. Vcc-I(ihmax)R(pu) <= V(ohmin)
  3. Vcc-I(ilmax)R(pu) >= V(ohmin)
  4. Vcc-I(ilmax)R(pu) <= V(ohmin)




Answer: Vcc-I(ihmax)R(pu) >= V(ohmin)


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