Given that for a logic family— VOH is minimum output high

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Given that for a logic family—
V_OH is minimum output high level voltage
V_OL is maximum output low level voltage
V_IH is minimum acceptable input high level voltage
V_IL is maximum acceptable input low level voltage
The correct relationship is—

1. V_IH > V_OH > V_IL> V_OL
2. V_OH > V_IH > V_IL > V_OL
3. V_IH > V_OH > V_OL > V_IL
4. V_OH > V_IH > V_OL > V_IL

Correct Option: B

From figure of Noise margin, we conclude that the correct order is

V_OH > V_IH > V_IL > V_OL Hence alternative (B) is the correct.