Memory Card VS Flash IC

[dizgah]

hi every one
usually in embedded applications which one is preferred ?
Memory cards like MMC or SD/micro SD or flash ICs?
as you know Memory cards has more capacity than flash ICs but usually we do not need more than some hundred Mega bytes,altough Flash ICs usually dose not have memory space more than some Mega bytes too.
then whats your solution ?
& which brand do you use in your designs?
best wishes.:-D
Mahmoud

 

[ArticCynda]

I think it's a matter of preference, really. Personally, when I'm designing prototypes then I tend to use SD cards because it's easy to download the firmware to them from the pc. However, in the final version the solution simply gets too expensive, so then a flash IC is much more economical and requires less board space. Since such a flash IC is always used in conjunction with a MCU or FPGA, downloading or updating the firmware can be done through JTAG, but is a lot slower.

I usually stick with Hynix NAND flash memory, but there are plenty of other manufacturers as well which have comparable products and are probably equally good.

 

[dizgah]

thank for your reply.
but i compared prices & 1GB micro sd is around 1.1$ & 256Mbit is around this.
then with micro sd we have a plenty space maybe we dont need but maybe we can do extra service via this more space ???
the other thing is more powerfull libraries for memory cards!
im glad to know more in this issue.
best wishes