AR# 10548

Virtex, Virtex-E, Spartan-II, Spartan-IIE - What is the maximum allowable rise time for clock and general inputs?

描述

What is the maximum allowable rise time for general inputs and clock inputs?

解决方案

In the Virtex, Virtex-E, Spartan-II, and Spartan-IIE data sheets, this value is described as Tin (Input signal transition time) under Recommended Operating Conditions." This value pertains to both general inputs and clock inputs.

Virtex / Spartan-II: Tin max = 250 ns

Virtex-E / Spartan-IIE: Tin max = 250 ns

AR# 10548
日期 12/15/2012
状态 Active
Type 综合文章