Forum Discussion

NuvKFC's avatar
NuvKFC
Icon for Contributor rankContributor
4 years ago
Solved

How to know which I/O standard support Schmitt trigger function?

I'm using Stratix III, IV and V devices. Due to small glitch on PCB, I want to use the I/O with Schmitt trigger function. But I don't which I/O support Schmitt trigger function. Could someone p...
  • AqidAyman_Altera's avatar
    AqidAyman_Altera
    4 years ago

    Hi,


    Thank you for reaching out to Intel FPGA Community.


    As far as I concern, only Stratix 10 among other Stratix devices has the Schmitt trigger functions. You can refer here Do Altera device input buffers have built-in Schmitt triggers? which mentioned that the Altera legacy devices that offer optional Schmitt triggers on the input buffers for user I/O pins are the MAX® II and MAX V device families only.


    Regards,

    Aqid Ayman


AqidAyman_Altera's avatar
AqidAyman_Altera
Icon for Regular Contributor rankRegular Contributor
4 years ago

Hi,


Thank you for reaching out to Intel FPGA Community.


As far as I concern, only Stratix 10 among other Stratix devices has the Schmitt trigger functions. You can refer here Do Altera device input buffers have built-in Schmitt triggers? which mentioned that the Altera legacy devices that offer optional Schmitt triggers on the input buffers for user I/O pins are the MAX® II and MAX V device families only.


Regards,

Aqid Ayman


NuvKFC's avatar
NuvKFC
Icon for Contributor rankContributor
4 years ago

Hi AqidAyman_Intel

Thank you, AqidAyman_Intel, very much. I get it. 0.0... , Thank you very much.