ee505 (Summer 2015) Homework 1 (20 points)

1-1 Which one is nor gate? (3 points)1-2 Which one is nand gate? (3 points)

(A) (B)

2-1 For nor gate, if one of the inputs is "H", Y =? (3 points)2-2 Sketch the complete circuit for the compound gate Y = ((AB + C) D)'(3 points)

3. Which cases for the following transistors can be considered as turn-on? (2 points)

(1) (2) (3) (4)

H H L L

4. The pull-up network of a compound gate is shown as below.4-1 Sketch the complete circuit including both pull-up and pull-down networks. The pull-down network needs to be composed with nmos. (3 points)4-2 Find the function Y =? (3 points)

Assignment for reading- Sections 1.3 and 1.4