Size and simulate the circuit that achieves

Digital Integrated Circuits - 2nd Ed			3
2.5 V
M2

Vin	M1	W/L = 4∝m/0.25∝m
Vin	M1	NMOS

a. What is the output voltage if only one input is high? If all four inputs are high?

b. What is the average static power consumption if, at any time, each input turns on with an (independent) probability of 0.5? 0.1?

A	B	C	D	(W/L) = 1.5

Figure 6.5 Pseudo-NMOS gate.

a. Write the Boolean equations for outputs F and G. What function does this circuit implement?

b. What logic family does this circuit belong to?

VDD

A	B	F		A	G
A	B	F		A	B

Y

0
1

0 1	1 0

12.		B	Y
	A
	Y

	Describe the logic function computed by the circuit in Figure 6.9. Note that all transistors (except for the middle inverters) are NMOS. Size and simulate the circuit so that it achieves a