Determine an appropriate value for the pull-up resistor

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Reference no: EM131278018

A .particular LED has a voltage drop of about 2.0 Vin the "on" state and requires about 5 mA of current for normal brightness. Determine an appropriate value for the pull-up resistor when the LED is connected to a 74ACOO NAND gate as shown in Figure 3-54(a).

Reference no: EM131278018

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