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| 04:27.11 | MonMotha | Exiles: I actually happen to have one of those laying around |
| 04:27.28 | MonMotha | I've been meaning to do something with it, but the fact that I'd have to have it soldered down for me has been a stopping point |
| 04:27.39 | MonMotha | BGAs are something I simply do not believe I can solder |
| 04:28.21 | MonMotha | I've not tried the fine pitch QFNs, and I don't think I could reliably do them, but I'd at least be willing to try. BGAs however, you have to place and reflow, and I don't think I could get the reflow profile close enough with a toaster oven to get it down properly |
| 04:28.45 | MonMotha | and of course, I don't have x-ray gear to mechanically examine the connection, though I could use JTAG and leave the fanout vias untented on the bottom |
| 04:37.47 | Exiles | yeah |
| 04:38.02 | Exiles | 560 pin BGA |
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| 05:09.42 | MonMotha | Exiles: yup, same one |
| 05:09.49 | MonMotha | that part isn't available in a leaded package |
| 05:10.20 | MonMotha | I've done designs in the past with smaller FPGAs (never fabricated the boards, though), and I stuck with the 208 lead PQFP so that I could hand solder them (albeit very slowly and with some difficulty) |
| 05:10.33 | MonMotha | also, 0.8mm BGAs suck |
| 05:10.43 | MonMotha | they're just BARELY too small to bring out using 8/18 vias with 5/5 trace/space |
| 05:10.56 | MonMotha | you need like an extra 2 mils to make it work |
| 05:11.56 | MonMotha | this is at least a 1mm BGA |
| 05:13.25 | MonMotha | which means you can do 10/20 vias and 6/6 trace/space |
| 05:13.34 | MonMotha | that's reasonably common in terms of fabrication |
| 05:14.14 | MonMotha | I tend to design boards in inches so that I don't have problems with roundoff causing DRC errors when I do the export since most US board houses want files in mils |
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| 14:30.23 | chouimat | morning |
| 14:56.34 | jbevren | Chewy |
| 14:57.37 | chouimat | ARRRGGGWWWWFFRFRR *cough* |
| 15:16.28 | jbevren | hehe |
| 15:16.30 | jbevren | http://www.sst.com/products.xhtml/all_in_onememory/88/SST88VP1107 |
| 15:16.33 | jbevren | curious device |
| 15:19.31 | chouimat | bye bye Sys admin :( |
| 15:20.30 | jbevren | nod |
| 15:21.36 | chouimat | jbevren: it's sad that all the interesting (aka more technical) magasine are all dying |
| 15:33.31 | joe_bleau | chouimat: good point. I've seen the end of SD, C++ user's journal, some embedded linux mag, Computer Design (renamed, then absorbed into another). |
| 15:34.12 | joe_bleau | And of course, the decline of Byte from the old days. (Of course, we now have Circuit Cellar Ink, so that's not a bad trade.) |
| 15:35.48 | chouimat | joe_bleau: in a few year we will only have wired to buy :( |
| 15:36.32 | joe_bleau | I think EE Times and either Electronic Design or EDN will survive a while. |
| 15:37.02 | joe_bleau | Embedded Systems Programming and the Portable Design magazine...I hope they can hang on. |
| 15:37.37 | joe_bleau | DDJ seems to be sucking up the ones that go under, which is better than nothing. |
| 15:40.24 | chouimat | ok lunch time |
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