3 ms·

Add tin pest from the RoHS switch and EEPROM/flash memory which can store charges for a finite period, and precious little currently being made will last for a

• mrob 11y ago
  Tin pest is only a problem in very cold conditions. Laptops are usually stored at room temperature. But tin whiskers, another potential problem with lead-free solder, will grow at room temperature.
• nickpsecurity 11y ago
  "and precious little currently being made will last for a long time." The difficult physics of recent nodes almost guarantee that. It's why I encourage safety-critical designs to, where possible, rely on stuff made on older process nodes (350-500nm if possible). One of the older or newer 180nm's might be OK. Yet, it was the stuff closer to a micron that lastest decades where the modern stuff croaks all the time. Plus, more predictability and less interference from weird physics. Naturally, that leads to a proposal to go NanGate on the situation to make a ton of custom cells and analog for 350nm. Automatically, of course. Throw in some rad-resistant ones, quad-logic, or something. Then can squeeze more life out of safer, longer-lasting processes if application doesn't demand GHz, etc. Also, can always do SMP or NUMA. :)