JM3@psuvm.BITNET (09/20/85)
For all you Mac hackers out there who have read Dr. Dobbs Journal and
have performed, or know someone who has, the 512K do-it-yourself upgrade,
I have a question about the exact kind on MUX chip that can be used.
According to the article, the MUX chip they suggest is a 74AS253, or the
74L253. These MUX chips are supposed to be high speed chips. Myself only
being a Comp. Sci. major, I'd like to know if the 74LS253 would work as
well. I understand the this chip is a low speed MUX, but does it make a
difference? So basically my question comes down to :
Will the 74LS253 work in place of the chips mentioned in DDJ ????
ny suggestions or answers would be greatly appreciated. Please post to
the board (net.micro.mac), or send mail to me :
Michael Bitonti
Cmp.Sc. Major at Penn. State University
jm3@psuvm using the BITNET system