Mouser pass the SN7404 test https://www.mouser.co.uk/c/?q=sn7404
SN74LS https://www.mouser.co.uk/c/?q=sn74ls&instock=y&normallystocked=y brings up 381 lines in stock; doubtless lots of package / packaging duplicates DS8641 (Q/U bus transceiver) and suchlike are of course quite another story : substantially unobtanium Martin -----Original Message----- From: Jonathan Chapman via cctalk [mailto:cctalk@classiccmp.org] Sent: 31 March 2024 00:11 To: General Discussion: On-Topic and Off-Topic Posts <cctalk@classiccmp.org> Cc: Jonathan Chapman <li...@glitchwrks.com> Subject: [cctalk] Re: typical IC kits on Amazon and elsewhere > Standard TTL 74XXX is drying up rather quickly. Futurlec still has > some TTL but 7404s are all gone. Even LS is hard to find. Ours comes from Mouser, between two part #s they have over 7,000 74LS04s in DIP packaging in stock. Didn't check ACT, HCT, or ALS. I don't think we've had a 7400 series part that we couldn't just order off Mouser in recent history, and we're usually buying QTY 100. Thanks, Jonathan