PDA

View Full Version : Data to Memory Question...



jblaven
05-25-2005, 01:01 AM
OK,

I read in some of the PDFs that you can write to the EEPROM, your data that has been captured... but if youˇrecord data frequently, then the write cycles would cause it to eventually fail over time.

What type of component do I need to record data without the increase in a chance that it will fail?

All help is greatly appreciated.

Joe

Jon Williams
05-25-2005, 01:26 AM
What you're looking for is some sort of RAM or, as some BASIC Stamp users have tried, FRAM.ˇ Have a look at this:

http://www.ramtron.com/doc/Products/Products_detail.asp?ID=41&FamID=1

The device behaves like a standard I2C memory and has a life of 10 Billion (with a "B") life cycles.ˇ That's pretty impressive -- at that spec you could write to the same cell every second for over 317 years!ˇ This thread will help you with the I2C stuff if you're not using a member of the BS2p family.

http://forums.parallax.com/showthread.php?p=466264

▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
Jon Williams
Applications Engineer, Parallax

Post Edited (Jon Williams (Parallax)) : 5/24/2005 6:29:03 PM GMT

jblaven
05-25-2005, 09:33 AM
Jon Williams (Parallax) said...
What you're looking for is some sort of RAM or, as some BASIC Stamp users have tried, FRAM.ˇ Have a look at this:

http://www.ramtron.com/doc/Products/Products_detail.asp?ID=41&FamID=1

The device behaves like a standard I2C memory and has a life of 10 Billion (with a "B") life cycles.ˇ That's pretty impressive -- at that spec you could write to the same cell every second for over 317 years!ˇ This thread will help you with the I2C stuff if you're not using a member of the BS2p family.

http://forums.parallax.com/showthread.php?p=466264

Thanks Jon,

Will this FRAM work with the "Homework Board"?

Joe

Jon Williams
05-25-2005, 07:32 PM
There is not reason why it shouldn't -- if it's available in DIP packaging (check with Ramtron).

▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
Jon Williams
Applications Engineer, Parallax