Step-by-step explanation:
To calculate the average Icc current drain, we first need to determine the current drawn in each state (HIGH and LOW) during a 50% duty cycle.
Given:
Current drawn when output is HIGH (IH): 1.8 mA
Current drawn when output is LOW (IL): 3.8 mA
Duty cycle: 50% (which means HIGH state and LOW state each occur 50% of the time)
To find the average Icc current drain, we can use the formula:
Average Icc = (IH D) + (IL (1 - D))
Where:
D = Duty cycle (as a decimal, so 50% = 0.5)
Plugging in the given values:
Average Icc = (1.8 mA * 0.5) + (3.8 mA * (1 - 0.5))
= (0.9 mA) + (3.8 mA * 0.5)
= 0.9 mA + 1.9 mA
= 2.8 mA
Therefore, the average Icc current drain of the IC logic gate is 2.8 m