On 10/15/2016 08:45 PM, Francesco Messineo wrote: > On Sat, Oct 15, 2016 at 7:31 PM, Gerrit Heitsch > <firstname.lastname@example.org> wrote: >> On 10/15/2016 07:09 PM, Francesco Messineo wrote: >>> >>> On Sat, Oct 15, 2016 at 6:56 PM, Gerrit Heitsch >>> as I said, at one point, they were making the 65245 (I have a few >>> inside the VIC-20CR) and that is a replacement for the 74LS245. I'm >>> not sure what process they used on these. >> >> >> The '6' should indicate 'NMOS'. >> >> >>> Why not keeping the good practice and make a 77S100 for example? 77257 >>> 7706 and 77258 (just a few examples) would have been good too :) >>> I'm sure most of us have to keep a list of equivalents to avoid >>> putting the wrong replacement >>> (I do need it). >> >> >> Here's my list: >> >> 7700 (see 8700) >> 7701 (see 8701) >> 7707 7406 or 74LS06 >> 7708 74LS257 >> 7709 74LS258 >> 7711 74LS139 >> 7712 74LS08 >> 7713 74LS04 >> 7714 74LS02 >> 7715 74LS373 >> 65245 74LS245 (found in VIC-20) >> 8708 74LS257 >> 8712 74LS08 >> 8713 74LS04 >> >> 8700 82S100-like mask programmable PLA. Revisions: (only on die: R1/R2) >> 8700-001 PLA C64 >> 8700-009 PLA 8296D >> 8700-010 PLA C16/C116/+4 >> 8700-011 PLA in 1551 module >> 8701 Clock Generator C64/C128 Revisions: (only on die: R2) >> 8706 Found in 364, 28pin. Revisions: R0 >> > > good list, I had some missing parts (I've never seen a 7715 so far) :) I haven't seen it in person on a board either. But I have seen a photograph of a C64 board with it on it in place of the 74LS373. I do have a 7714 on a C16 board. Still works. > I wonder what would have been the 7710 or all other missing numbers. Probably TTLs of a kind not used in a C64 or other system we see often enough. MOS only made these while certain LS-TTL were hard to come by in 1983 to maybe 1985. Gerrit Message was sent through the cbm-hackers mailing listReceived on 2016-10-15 20:00:02
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