Hi,
I'm reopening a question because it was accidentally closed.
I'm using this part in order to connect a massive storage device to a cpu.
During the loading of the firmware, using SPI, I noticed on the Input to the chip the signal has a masive undershoot, and only undershoot, no overshoot.
It gets to about -0.8 to -1 V. can it harm the part, is it outside the AMR? What can be the cause of this. the SPI is connected directly to the EEPROM.
I cant get the waveform because it is in a closed network.
The wave goes from low to high in 1.6 ns and down 1.1n. The rising looks good and stable but the fall has a ripple that gets to about -800mV. i would love to get the datasheets that specify the max undershoot or AMR of this IOs.
Thanks a lot!
Ron