another ebay great
Dwight K. Elvey
dwight.elvey at amd.com
Tue Mar 29 11:22:10 CST 2005
>From: "Eric Smith" <eric at brouhaha.com>
>> I just saw someone auctioning a motorola
>> MC4004. I suspect that some will think it is
>> an Intel 4004 but I guess they'll soon
>> find out that it is just a simple cmos part.
>Even if they did expect a simple CMOS part, they'll still be
>disappointed, because the MC4004 is a TTL part!
>Motorola had a 4000 series of TTL parts before the SN7400 series
>became established. So when they introduced their equivalent
>of the RCA CD4000 series CMOS, they called it the MC14000 series.
>I can't find any reference to a CD4004 at the moment, but if there
>was one, and Motorola made an equivalent, they would have called it
>I've seen this problem occur more often when someone wants a CD4024
>and gets an MC4024, or vice versa. The former is seven stage binary
>counter, but the latter is a dual VCO.
Yep, my error. I forgot the 14xxx as both you and William
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