On 01/27/2014 03:58 PM, Eric Smith wrote:
ISTR that the MC6828 was bipolar, not MOS, and that it
was a gate array. It
probably was dropped earlier than other MC6800 family members due to the
specific gate array being discontinued, and there probably wasn't enough
demand to justify development of a replacement.
Yup, bipolar. Also known as the MC8507.
--Chuck