Vitaliy wrote:

> "Totem pole" and "push-pull" both mean the same thing.

Personally I think totem pole is one implementation of push-pull, since
push-pull can be done many ways.

Digi-key assigns totem pole and push-pull to Microchip's TC54:
http://search.digikey.com/scripts/DkSearch/dksus.dll?Cat=2556197&keywords=tc54

Looking at Microchip's datasheet, they specify push-pull and
complementary but do not mention totem pole. To me totem pole suggests
the TTL implementation using NPN transistors, not complementary. But I
am not fixed on that definition, if I saw totem pole in a description I
would want clarification of the topology if it was important to me.

I think a lot of reference information is written by people who do not
have a complete grasp of the difference between a principle and an
implementation of the principle.

Cheerful regards,

Bob
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