So we have to do number 7? It involves "cube."

RC

----- Original Message -----
From: "Robert Dick" <dickrp@northwestern.edu>
To: <ADLD@listserv.it.northwestern.edu>
Sent: Sunday, October 05, 2008 5:34 PM
Subject: Re: 303 Homework 1 Question

> 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 18:24:16 2008