simple processor from 74154?

From: ben franchuk <bfranchuk_at_jetnet.ab.ca>
Date: Sat Sep 25 17:55:57 2004

Ed Kelleher wrote:
> At 05:45 PM 9/25/2004, Sellam wrote:
>
>> > Does anyone remember a construction project from Popular Electronics (I
>> > think), perhaps in the late '60's, that made a simple processor from a
>> > 74154 4 line demultiplexer and a handful of diodes?
>>
>> Did they even have 74154's in the late 1960s? At any rate, sounds
>> like an
>> interesting project.
>
>
> TI TTL Data Book for Design Engineers, 1st edition was copyrighted 1973.
> It lists the 74154 and other parts up to the 74298.
>
How come the neat CMOS chips like BCD adders and stuff have never made it
to TTL?
        
Received on Sat Sep 25 2004 - 17:55:57 BST