[sdiy] Weird old logic chips & transistors

[Scott Gravenhorst]

Motorola marketed their version of CD4xxx CMOS ICs as MC14xxx, so the MC prefix
alone isn't enough to resolve down to MECL or whatever.

"Roy J. Tellason" <rtellason at blazenet.net> wrote:
>On Saturday 03 December 2005 06:47 pm, Mike Brown wrote:
>> I had a bunch of motorola logic chips with the MC prefix, which I was told
>> were MECL logic.
>>
>> they were ancient... definitely pre TTL.
>>
>> MB
>
>Motorola used that prefix for a bunch of different series including ECL, DTL, 
>RTL,  and several different series of TTL before the 7400 stuff took over the 
>market.  There were several different series of ECL,  too,  now that I think 
>of it.
>
>Never had the least inclination to try and work with ECL,  nohow.
>
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