Sorry ... way outta my league! I've never really gotten involved with the whole IC arena. Maybe you could write a tutorial on it once you get it figured out.
Good luck
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Noah built the ark BEFORE it rained.
Hmm... sounds a bit more advanced than GCSE Electronics, which is what I'm doing!
Have you tried searching on google.com - when I wanted a few IC and Transistors to replace discontinued ones in my electronics project there were a few websites turned up from google.com
Mankind have a great aversion to intellectual labor; but even supposing knowledge to be easily attainable, more people would be content to be ignorant than would take even a little trouble to acquire it.
- Samuel Johnson