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Derive equation for noise margins for CMOS invertor
written 5.4 years ago by | • modified 5.1 years ago |
Subject :- VLSI Design
Topic :- MOSFET Inverters
Difficulty - Medium
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written 5.4 years ago by | • modified 5.1 years ago |
Subject :- VLSI Design
Topic :- MOSFET Inverters
Difficulty - Medium
written 5.1 years ago by |
To design Noise Margins
$NM_H$ = VOH – VIH
$NM_L$ = VIL – VOL
Step 1: Find VIL
$I_L$ = $I_D$
When Vin = VIL; nMOS is in saturation region and pMOS is in linear region
Differentiate w.r.t. Vin and substitute
Step 2: Find VIH
When Vin = VIH ; …