XIO2001: Hysteresis buffer input transition time

takanobu fukuoka

Prodigy 70 points

Part Number: XIO2001

Hello,

I have question for the Electrical Characteristics of hysteresis buffer.

I can't find the Electrical Characteristics of hysteresis buffer on datasheet.

Q1：Does the hysteresis buffer have an input transition time (t_rise / t_fall) condition?

Q2：The hysteresis buffer of the PREST PIN receives a PERST signal that conforms to the PCIe standard. Does the Hysteresis buffer support this signal?

Best Regards,

T. Fukuoka

over 3 years ago

0 Nasser Mohammadi over 3 years ago

TI__Guru* 93570 points

Greetings,

This has not been characterized(Trise/Tfall) for these signals. Please note device is compatible with PCIe Gen1 specifications. I tried to find this spec and i am not sure if the hysteresis is specified.

Regards,,Nasser

0 takanobu fukuoka over 3 years ago in reply to Nasser Mohammadi

Prodigy 70 points

Hello,

Thanks for your reply. I understand that there is no limit to the (t_rise / t_fall) for the hysteresis buffer. Is my understanding about this correct?

Regards,,T. Fukuoka

0 Nasser Mohammadi over 3 years ago in reply to takanobu fukuoka

TI__Guru* 93570 points

Greetings,

I am checking with one of my colleagues and will have a response tomorrow.

Regards,,Nasser

+1 Nasser Mohammadi over 3 years ago in reply to Nasser Mohammadi

TI__Guru* 93570 points

Greetings,

1). Checked with another colleague. There is no spec requirement for hysteresis that we are aware of.

2). As noted in data sheet both PERSTn and GRSTn input buffer have hysteresis.

Regards,,Nasser

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XIO2001: Hysteresis buffer input transition time