面向 Zynq-7000、Artix-7、Kintex-7 和 Virtex-7 系列器件的 θ-JA、θ-JB 和 θ-JC 热阻值已完成更新。
对许多封装而言，热阻值增大会给热耗散估算造成不利影响。
这项非正确的值也记录在 2013.3 之前的 Xilinx功耗估计器电子数据表 (XPE) 中，所以使用该工具估算功耗热特性的客户会受到影响。
对于许多 7 系列器件（Artix-7、Kintex-7、Virtex-7 和 Zynq-7000 系列）而言，热阻值（θ-JA、θ-JB 和 θ-JC）提取不当，文档中记录的值不正确。更新后的热阻值已经发布并记录在 1.10 版本的《7 系列封装和管脚产品规范用户指南》(UG475)，1.3 版本的《Zynq-7000 SoC 封装和管脚产品规范用户指南》 (UG865)，热查找工具 （2013 年 8 月 26 日之后）：http://www.xilinx.com/cgi-bin/thermal/thermal.pl，2013.3 Xilinx 功耗估计器电子数据表 (XPE)。
对于采用热阻值来为系统的热性能进行建模的客户而言，建议使用更新后的热阻值重新运行热分析。
使用 Delphi 格式的紧凑型热模型分析系统的客户无需重新分析自己的系统，因为此类模型不受这种问题的影响。
Xilinx 可生成三种不同的热模型：
热阻值主要用于估算系统的热耗散：
| Artix 器件 | 封装 | 旧 θ-JC | 新 θ-JC | 相对于 θ-JC 的变化百分比 | 旧 θ-JB | 新 θ-JB | 相对于 θ-JB 的变化百分比 | 旧 θ-JA | 新 θ-JA | 相对于 θ-JA 的变化百分比 |
| XC7A100T | CS324 | 3.23 | 3.25 | 0.6% | 5.8 | 5.7 | -1.7% | 18.3 | 18.2 | -0.5% |
| XC7A100T | FT256 | 3.33 | 3.34 | 0.3% | 6.9 | 6.9 | 0.0% | 18.2 | 18.2 | 0.0% |
| XC7A200T | SB484 | 0.06 | 0.08 | 33.3% | 4.9 | 5 | 2.0% | 14.8 | 14.8 | 0.0% |
| XC7A200T | FB484 | 0.06 | 0.08 | 33.3% | 4.8 | 4.8 | 0.0% | 13.9 | 13.9 | 0.0% |
| XC7A100T | FG484 | 3.82 | 3.85 | 0.8% | 6.8 | 6.8 | 0.0% | 16.1 | 15.8 | -1.9% |
| XC7A200T | FB676 | 0.07 | 0.08 | 14.3% | 4.6 | 4.7 | 2.2% | 13 | 13 | 0.0% |
| XC7A100T | FG676 | 3.67 | 3.71 | 1.1% | 6.7 | 6.8 | 1.5% | 15.3 | 15 | -2.0% |
| XC7A200T | FF1156 | 0.3 | 0.32 | 6.7% | 2.6 | 2.6 | 0.0% | 9.1 | 9.3 | 2.2% |
| Kintex 器件 | 封装 | 旧 θ-JC | 新 θ-JC | 相对于 θ-JC 的变化百分比 | 旧 θ-JB | 新 θ-JB | 相对于 θ-JB 的变化百分比 | 旧 θ-JA | 新 θ-JA | 相对于 θ-JA 的变化百分比 |
| XC7K70T | FB484 | 0.16 | 0.13 | -18.8% | 6.5 | 6.8 | 4.6% | 15.9 | 16.4 | 3.1% |
| XC7K160T | FB484 | 0.07 | 0.1 | 42.9% | 5 | 5.3 | 6.0% | 13.6 | 14.6 | 7.4% |
| XC7K70T | FB676 | 0.16 | 0.13 | -18.8% | 6.5 | 6.7 | 3.1% | 15.8 | 15.7 | -0.6% |
| XC7K160T | FB676 | 0.07 | 0.1 | 42.9% | 5 | 5.2 | 4.0% | 14 | 14 | 0.0% |
| XC7K325T | FB676 | 0.04 | 0.06 | 50.0% | 4.1 | 4.2 | 2.4% | 13.1 | 12.9 | -1.5% |
| XC7K410T | FB676 | 0.03 | 0.05 | 66.7% | 3.5 | 3.7 | 5.7% | 11.9 | 12.2 | 2.5% |
| XC7K160T | FF676 | 0.38 | 0.41 | 7.9% | 4 | 4 | 0.0% | 11.8 | 11.7 | -0.8% |
| XC7K325T | FF676 | 0.23 | 0.26 | 13.0% | 3.6 | 3.5 | -2.8% | 10 | 11.1 | 11.0% |
| XC7K410T | FF676 | 0.17 | 0.2 | 17.6% | 3.3 | 3.3 | 0.0% | 9.7 | 10.9 | 12.4% |
| XC7K325T | FB900 | 0.04 | 0.06 | 50.0% | 4.1 | 4.3 | 4.9% | 11.9 | 12 | 0.8% |
| XC7K410T | FB900 | 0.03 | 0.05 | 66.7% | 3.6 | 3.7 | 2.8% | 10.7 | 11.4 | 6.5% |
| XC7K325T | FF900 | 0.24 | 0.26 | 8.3% | 2.6 | 2.8 | 7.7% | 8.6 | 9.7 | 12.8% |
| XC7K410T | FF900 | 0.19 | 0.19 | 0.0% | 2.4 | 2.6 | 8.3% | 8.2 | 9.5 | 15.9% |
| XC7k355T | FF901 | 0.2 | 0.23 | 15.0% | 3.2 | 3.2 | 0.0% | 8.2 | 10 | 22.0% |
| XC7k420T | FF901 | 0.19 | 0.17 | -10.5% | 3.2 | 2.9 | -9.4% | 8.1 | 9.6 | 18.5% |
| XC7K480T | FF901 | 0.15 | 0.17 | 13.3% | 2.9 | 2.9 | 0.0% | 7.6 | 9.6 | 26.3% |
| XC7K420T | FF1156 | 0.19 | 0.17 | -10.5% | 3.2 | 2.4 | -25.0% | 7.3 | 8.7 | 19.2% |
| XC7K480T | FF1156 | 0.16 | 0.17 | 6.3% | 2.2 | 2.4 | 9.1% | 6.8 | 8.7 | 27.9% |
| Virtex-7 T 器件 | 封装 | 旧 θ-JC | 新 θ-JC | 相对于 θ-JC 的变化百分比 | 旧 θ-JB | 新 θ-JB | 相对于 θ-JB 的变化百分比 | 旧 θ-JA | 新 θ-JA | 相对于 θ-JA 的变化百分比 |
| XC7V585T | FF1157 | 0.05 | 0.14 | 180.0% | 2.3 | 2.3 | 0.0% | 8.7 | 8.7 | 0.0% |
| XC7V585T | FF1761 | 0.05 | 0.11 | 120.0% | 2.2 | 2.1 | -4.5% | 7.6 | 7.6 | 0.0% |
| XC7V2000T | FH1761 | 0.04 | 0.05 | 25.0% | 3.3 | 2 | -39.4% | 7 | 7 | 0.0% |
| XC7V2000T | FL1925 | 0.04 | 0.06 | 50.0% | 1.6 | 1.7 | 6.2% | 6.9 | 6.9 | 0.0% |
| XC7VX330T | FF1157 | 0.18 | 0.19 | 5.6% | 2.3 | 2.5 | 8.7% | 7.4 | 8.9 | 20.3% |
| XC7VX415T | FF1157 | 0.14 | 0.16 | 14.3% | 2.1 | 2.3 | 9.5% | 7 | 8.8 | 25.7% |
| XC7VX485T | FF1157 | 0.13 | 0.13 | 0.0% | 2.1 | 2.3 | 9.5% | 9 | 8.7 | -3.3% |
| XC7VX690T | FF1157 | 0.04 | 0.09 | 125.0% | 2 | 2.3 | 15.0% | 6.1 | 8.7 | 42.6% |
| XC7VX415T | FF1158 | 0.13 | 0.16 | 23.1% | 2.2 | 2.3 | 4.5% | 6.8 | 8.8 | 29.4% |
| XC7VX485T | FF1158 | 0.13 | 0.13 | 0.0% | 2.1 | 2.3 | 9.5% | 9 | 8.7 | -3.3% |
| XC7VX550T | FF1158 | 0.09 | 0.09 | 0.0% | 2.1 | 2.3 | 9.5% | 6.5 | 8.7 | 33.8% |
| XC7VX690T | FF1158 | 0.03 | 0.09 | 200.0% | 1.9 | 2.3 | 21.1% | 6.2 | 8.7 | 40.3% |
| XC7VX330T | FF1761 | 0.19 | 0.19 | 0.0% | 2.3 | 2.3 | 0.0% | 6.4 | 7.8 | 21.9% |
| XC7VX485T | FF1761 | 0.11 | 0.13 | 18.2% | 1.9 | 2.1 | 10.5% | 7.8 | 7.6 | -2.6% |
| XC7VX690T | FF1761 | 0.08 | 0.09 | 12.5% | 1.8 | 1.9 | 5.6% | 5.6 | 7.5 | 33.9% |
| XC7VX690T | FF1926 | 0.08 | 0.09 | 12.5% | 1.8 | 1.9 | 5.6% | 5.1 | 7.1 | 39.2% |
| XC7VX980T | FF1926 | 0.04 | 0.09 | 125.0% | 1.7 | 1.8 | 5.9% | 4.8 | 7.1 | 47.9% |
| XC7VX415T | FF1927 | 0.14 | 0.16 | 14.3% | 1.8 | 2.1 | 16.7% | 5.6 | 7.4 | 32.1% |
| XC7VX485T | FF1927 | 0.11 | 0.13 | 18.2% | 1.9 | 2 | 5.3% | 7.4 | 7.3 | -1.4% |
| XC7VX550T | FF1927 | 0.09 | 0.09 | 0.0% | 1.8 | 1.8 | 0.0% | 5.4 | 7.1 | 31.5% |
| XC7VX690T | FF1927 | 0.07 | 0.09 | 28.6% | 1.7 | 1.8 | 5.9% | 4.9 | 7.1 | 44.9% |
| XC7VX980T | FF1928 | 0.04 | 0.09 | 125.0% | 1.7 | 1.8 | 5.9% | 4.8 | 7.1 | 47.9% |
| XC7VX485T | FF1930 | 0.1 | 0.13 | 30.0% | 1.9 | 2 | 5.3% | 7.4 | 7.3 | -1.4% |
| XC7VX690T | FF1930 | 0.08 | 0.09 | 12.5% | 1.8 | 1.9 | 5.6% | 5.4 | 7.1 | 31.5% |
| XC7VX980T | FF1930 | 0.04 | 0.09 | 125.0% | 1.7 | 1.8 | 5.9% | 5 | 7.1 | 42.0% |
| XC7VX1140T | FL1926 | 0.04 | 0.06 | 50.0% | 1.6 | 1.7 | 6.2% | 6.9 | 6.9 | 0.0% |
| XC7VX1140T | FL1928 | 0.04 | 0.06 | 50.0% | 1.6 | 1.7 | 6.2% | 6.9 | 6.9 | 0.0% |
| XC7VX1140T | FL1930 | 0.04 | 0.06 | 50.0% | 1.6 | 1.7 | 6.2% | 6.9 | 6.9 | 0.0% |
| XC7VH580T | HC1155 | 0.09 | 0.1 | 11.1% | 1.8 | 2.4 | 33.3% | 6.2 | 8.7 | 40.3% |
| XC7VH580T | HC1931 | 0.04 | 0.08 | 100.0% | 0.7 | 1.8 | 157.1% | 5.1 | 7 | 37.3% |
| XC7VH580T | HC1932 | 0.04 | 0.08 | 100.0% | 0.7 | 1.8 | 157.1% | 5.2 | 7 | 34.6% |
| Zynq Device | 封装 | 旧 θ-JC | 新 θ-JC | 相对于 θ-JC 的变化百分比 | 旧 θ-JB | 新 θ-JB | 相对于 θ-JB 的变化百分比 | 旧 θ-JA | 新 θ-JA | 相对于 θ-JA 的变化百分比 |
| xc7z010 | CL225 | 4.9 | 4.95 | 1.0% | 11.6 | 11.6 | 0.0% | 25.4 | 25.4 | 0.0% |
| xc7z010 | CL400 | 4 | 4.52 | 13.0% | 10 | 9.3 | -7.0% | 20.9 | 20.9 | 0.0% |
| XC7Z020 | CL400 | 3.1 | 3.44 | 11.0% | 5 | 7.4 | -7.5% | 18.7 | 19 | 1.6% |
| XC7Z020 | CL484 | 3 | 3.35 | 11.7% | 5 | 7.4 | -7.5% | 17.9 | 18.2 | 1.7% |
| XC7Z030 | FB484 | 0.1 | 0.1 | 0.0% | 5.4 | 5.7 | 5.6% | 14.3 | 15.2 | 6.3% |
| XC7Z030 | FB676 | 0.1 | 0.1 | 0.0% | 6.2 | 5.6 | -9.7% | 14.2 | 14.5 | 2.1% |
| XC7Z045 | FB676 | 0.05 | 0.06 | 20.0% | 5.2 | 4 | -23.1% | 12.2 | 12.6 | 3.3% |
| XC7Z030 | FF676 | 0.43 | 0.46 | 7.0% | 4.1 | 3.6 | -12.2% | 10.9 | 11.5 | 5.5% |
| XC7Z045 | FF676 | 0.25 | 0.23 | -8.0% | 3.7 | 3.4 | -8.1% | 9.6 | 11 | 14.6% |
| XC7Z045 | FF900 | 0.27 | 0.23 | -14.8% | 2.7 | 2.7 | 0.0% | 8.3 | 9.6 | 15.7% |
修订历史
09/12/2013 - 初始版本
| Answer Number | 问答标题 | 问题版本 | 已解决问题的版本 |
|---|---|---|---|
| 42944 | Virtex-7 FPGA 设计咨询主答复记录 | N/A | N/A |
| 51456 | 有关 Artix-7 FPGA 设计咨询的主要答复记录 | N/A | N/A |
| 42946 | Kintex-7 FPGA 设计咨询主答复记录 | N/A | N/A |