*- Points in this summary are already covered below. I guess it has to do with the low-voltage process, but it does take away the open drain's most interesting feature.Ī totem pole driver or output is fast and relatively "powerful" when switching in either direction compared to passive resistor stages or current source or open collector loaded stages.Ī totem pole arrangement is not suitable for paralleling with other divers to make "wired OR" stages - which can be useful in some applications.Ī totem pole driver switches "between its supply rails" so cannot drive loads which are connected on one end to voltages outside the supply rails - as is required in some applications.
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