EECS 303 Mailing List
Re: 303 Homework 1 Question

Re: 303 Homework 1 Question

From: Robert Dick <dickrp_at_avoiding.spam>
Date: Sun Oct 05 2008 - 18:34:01 EDT

Carissa Black:
> I have a few questions about Homework #1. Should we be using XOR and
> Equivalence when optimizing?

Just use ANDs and ORs. Two-level optimization uses only AND (or NAND) and OR
(or NOR) gates. XORs and XNORs are quite expensive to implement in CMOS,
relative to NANDs and NORs.

> And how do you deal with don't cares in QM?.
> should we just ignore them like when we're doing the algebra method?

You don't.

> Also, should we answer question #8 about Espresso?

No. We will cover that on Tuesday and then I'll move that onto the next
homework assignment.

You should be able to do Problems 1-7. Don't do 8-10.

Best Regards,

-Robert Dick-
Received on Sun Oct 5 17:34:01 2008

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