11 Apr
2007
11 Apr
'07
9:17 a.m.
On 4/11/07, Alexandre Souza <alexandre-listas at e-secure.com.br> wrote:
Ethan, this is news to me. I work as an
electronics' designer for years,
never seen ANY kind of memory made to be piggybacked. But of course, living
is learning. Thanks for the info, I'd be glad if you could supply some p/n /
datasheets for me to take a look. This is an interesting curiosity
Hmm... this would be in a TI paper-bound book from, say, the
early-to-mid 1980s. I don't recall the exact part numbers, but it was
probably some variant of the 4164. I remember the specifically
because of seeing folks piggyback 16K and 64K DRAMs in other designs,
and having to do the "flying select" wire and thinking how cool it was
that chip makers solved the problem with a "standard" part.
Wheb I run across that book, I'll look for that sheet.
-ethan