There have been many different types/models of 68HC11 MCUs manufactured since the 1985 original, and they are still being manufactured in 2023 (by Tekmos and Rochester Electronics).
However, making sense of or comparing all the different models (each with different sets of on-chip do-dads and widgets) has not been easy - a comparion-table is needed.
Historically, there have only been partial (now outdated or incorrect) comparison tables, thus a need for an updated one, here: