1. Consider the pictured RC network:10k10k10k10k5p15p5pa.Write an algebraic expression for the Elmore delay.b.What is the corresponding time constant?2. Consider an inverter with a size 15 P and a size 5 N. a.What are the logical efforts for rising and falling transitions?3. Given up to 8 size 4 PMOS and 8 size 2 NMOS transistors and inputs A, B, C, and !C:c.Build a 2:1 multiplexer.Use Connect data inputs A and B to terminals A and D (B and C would also work)Connect select inputs C and !C to the unused terminalsABCDABCDABCDABCDBDYACACABCDBDY(a)(c)(e)(b)(d)(f)
d.Write its algebraic function in either Boolean or HDL.e.Compute the logical efforts of the four inputs.