MC68451 datasheet wanted

Chuck Guzis cclist at
Fri Jul 17 20:32:48 CDT 2015

On 07/17/2015 04:03 PM, Eric Smith wrote:
> Looking for an MC68451 datasheet (or scan). Most of the ones that turn
> up from the usual database sites are actually for the MC68450 DMA
> controller, which is entirely unrelated. The only one I found that is
> actually for the MC68451 was "Advance Information" from a databook,
> and did not include the pin grid (R or RC suffix) pinout. There was a
> "loose" (not in databook) datasheet that is more recent, labeled
> "Preliminary" rather than "Advance Information", and later versions of
> that include the pin grid pinout. Does anyone have that?

The DIP version datasheet is also in the 1981 "Motorola Microprocessors 
Data Manual", page 4-818 to 4-835, but no PGA pinout, sorry.


More information about the cctech mailing list