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Relationship among VOH, VOL, VIH, and VIL in a Logic Family
Definition of terms:
- VOH: Minimum output high level voltage
- VOL: Maximum output low level voltage
- VIH: Minimum acceptable input high level voltage
- VIL: Maximum acceptable input low level voltage
Explanation:
The relationship among VOH, VOL, VIH, and VIL is important in determining the performance of a logic family. The correct relationship among these terms is:
VOH > VIH > VIL > VOL
This relationship can be explained as follows:
VOH: VOH represents the minimum output high level voltage that the logic family can provide. This voltage level is important because it determines whether the output signal is interpreted as a logic high or low. A higher VOH ensures that the output signal is interpreted as a logic high, which is important for the correct operation of the circuit.
VIH: VIH represents the minimum acceptable input high level voltage that the logic family can accept. This voltage level is important because it determines whether the input signal is interpreted as a logic high or low. A higher VIH ensures that the input signal is interpreted as a logic high, which is important for the correct operation of the circuit.
VIL: VIL represents the maximum acceptable input low level voltage that the logic family can accept. This voltage level is important because it determines whether the input signal is interpreted as a logic high or low. A lower VIL ensures that the input signal is interpreted as a logic low, which is important for the correct operation of the circuit.
VOL: VOL represents the maximum output low level voltage that the logic family can provide. This voltage level is important because it determines whether the output signal is interpreted as a logic high or low. A lower VOL ensures that the output signal is interpreted as a logic low, which is important for the correct operation of the circuit.
Conclusion:
In conclusion, the correct relationship among VOH, VOL, VIH, and VIL in a logic family is VOH > VIH > VIL > VOL. This relationship ensures that the circuit operates correctly and that the input and output signals are interpreted as logic high or low as intended.
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