Unfortunately we struggled to big problem, we couldn’t find DDR or DDR3 memory in Industrial temperature.
Most of the DDR memories are used for consumer products – phones, tablets, computers with 0-70C operating temperature.
At Electronica 2012 exhibition I went through all memory producers and only Micron confirmed they have industrial grade memory, then when I wanted to place order the European distributors asked me something like EUR 20 per chip and minimum order of 5K pcs which was insane if you want to build low cost product.
The situation with SD cards is similar, to find 4GB SLC Sd-card Class10 in industrial temperature and certification the prices were starting at EUR 30 for 1000 pcs, also not good option.
So for a while we put this industrial grade idea aside, but I was keep looking for industrial DDR memory sources.
Now I’m happy to tell you that we finally found DDR memories in industrial grade for both imx233 and Allwinner chips, so we now can manufacture these boards in industrial grade temperature:
- iMX233-OLinuXino-MAXI (we have both LAN9512-iJZX and DDR in industrial grade)
as GL850 USB hub can’t be sourced in industrial grade these boards can’t be made industrial:
iMX233-OLinuXino-MINI, iMX233-OLinuXino-MINI-WIFI, A13-OLinuXino
We are now searching industrial grade Ethernet PHYs to may offer also these boards in industrial grade:
note that the price of the industrial versions will be a bit different due to the higher price of the industrial grade memories and Ethernet PHYs
for iMX233-OLinuXino-NANO and MICRO this is +EUR4.00 for iMX233-OLinuXino-MAXI and A13-OLinuXino-MICRO this is +EUR 5.00
also note that the industrial grade boards may be subject to MOQ of 50-100 pcs and will not be shipped from stock as standard products but you may need to wait 1-2 weeks to be assembled, tested and packed.