Author Topic: Determine read cycle speed of eeprom (Read 1388 times)

Supreme · « **on:** November 29, 2016, 09:05:05 pm »

Hi, I have this chip: https://4donline.ihs.com/images/VipMasterIC/IC/TOSC/TOSCS25929/TOSCS25929-1.pdf?hkey=EF798316E3902B6ED9A73243A3159BB0
I want to dump its memory using programmer also i want to analyze it using oscilloscope/logic analyzer , what is the cycle speed Mhz/Sample rate of the devices in order them to work with this chip?
If it is possible, please explain how you calculated the result.
Thanks.

amyk · « **Reply #1 on:** November 30, 2016, 03:43:53 am »

Look at page 5. This is a NAND flash, read and write cycles are internally timed and may vary in length depending on the age/wear on the blocks.

Supreme · « **Reply #2 on:** November 30, 2016, 06:07:28 pm »

Which device can dump the contents of the NAND chip? and what its specifications should be?

amyk · « **Reply #3 on:** December 01, 2016, 03:33:45 am »

Anything with enough I/Os... and is fast enough that you won't be annoyed waiting for it to finish reading. Even an Arduino will do it if you don't have anything else.

http://hardcoreforensics.com/blog/2012/01/02/arduino-mega-direct-reading-of-a-nand-flash-memory-chip/

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