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Circuits & Electronics P13

Digital Circuit 6.002 Fall 2000 Lecture 13 1 .Review vI VI 0 vI + – t R C + vC – vC (0 ) = VO vC = VI + (VO − VI ) e −t RC 1 vC VI VO RC time constant RC t 6.002 Fall 2000 Lecture 13 2 .Let’s apply the result to an inverter. A X First, rising delay tr at B B VS VS A vA 5V B X t CGS 0 1 0 at A 6.002 Fall 2000 Lecture 13 3 .First, rising delay tr at B VS VS A vA 5V B X CGS 0 1 0 at A t 5V vB ideal observed 0 t 6.002 Fall 2000 Lecture 13 4 .First, rising delay tr at B VS VS A vA 5V B X t CGS 0 1 0 at A 5V VOH vB rising delay of X 0 tr t 6.002 Fall 2000 Lecture 13 5 | 6.002 CIRCUITS AND ELECTRONICS Digital Circuit 6.002 Fall 2000 Lecture 13 1 Review vi V 0 i vi R c4 VC v. 0 V -t v. Vi V - Vi e ------------ 6.002 Fall 2000 Lecture 13 2 Let s apply the result to an inverter. A B X First rising delay tr at B t s V A V 5V X Ccs - GS t 0 1 0 at A 6.002 Fall 2000 Lecture 13