Hey all, Apologies if this is a repeat; I thought I sent this before, but never saw it in the digest, nor any replies to it. Not sure if my e-mail failed to get out the door here, or if one (or more?) digest failed to make it into my mailbox, but the result is the same. I'm looking for info on the following chip numbers. (TI) SN2789N (TI) SN2792N (Fairchild?) 3005662 (Fairchild?) 3005663 (Fairchild?) 3005664 (Fairchild?) 3005665 (Fairchild?) 3005666 (Fairchild?) 3005668 (maybe another 3005666 - hard to read) I expect these to be DTL or RTL or something. I also suspect that 2789 is the same as 3005663, and 2792 is the same as 3005668; some chips show both markings. Cheers, Bill.