How does the answer for Drill change if the LED only requires 2 mA and is connected to a 74HC00 as shown in Figure 54(b)?
Drill
A particular LED has a voltage drop of about 2.0 V in 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 74AC00 NAND gate as shown in Figure 3-54(a).
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