Try http://www.datasheet4u.com/html/M/C/...scale.pdf.html

On 2 Aug 2003 16:27:08 -0700, (Kim Roland) wrote:

I have a MC1590 (MOTOROLA)amp (can type)for a small antenna.There are
8 leads. Where would #1 pin be? The tab has a pin directly in front of
it- not on either side as in tubes or ics with a dot.I searched for a
pinout diagram & came up with a 3rd party which matches my
schematic-but dont know which is pin#1?" Any help will get me started.
Thanks.