DC and Switching Characteristics
R
Table 24: Output Timing Adjustments for IOB
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Convert Output Time from | Below |
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LVCMOS25 with 12mA Drive and |
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Speed Grade |
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Fast Slew Rate to the Following |
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Signal Standard (IOSTANDARD) | Units | |||||
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LVTTL | Slow |
| 2 mA | 5.58 | 5.58 | ns |
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| 4 mA | 3.16 | 3.16 | ns |
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| 6 mA | 3.17 | 3.17 | ns |
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| 8 mA | 2.09 | 2.09 | ns |
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| 12 mA | 1.62 | 1.62 | ns |
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| 16 mA | 1.24 | 1.24 | ns |
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| 24 mA | 2.74 | 2.74 | ns |
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| Fast |
| 2 mA | 3.03 | 3.03 | ns |
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| 4 mA | 1.71 | 1.71 | ns |
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| 6 mA | 1.71 | 1.71 | ns |
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| 8 mA | 0.53 | 0.53 | ns |
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| 12 mA | 0.53 | 0.53 | ns |
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| 16 mA | 0.59 | 0.59 | ns |
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| 24 mA | 0.60 | 0.60 | ns |
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| QuietIO |
| 2 mA | 27.67 | 27.67 | ns |
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| 4 mA | 27.67 | 27.67 | ns |
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| 6 mA | 27.67 | 27.67 | ns |
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| 8 mA | 16.71 | 16.71 | ns |
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| 12 mA | 16.67 | 16.67 | ns |
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| 16 mA | 16.22 | 16.22 | ns |
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| 24 mA | 12.11 | 12.11 | ns |
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Table 24: Output Timing Adjustments for IOB (Continued)
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| Add the |
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| Adjustment |
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Convert Output Time from | Below |
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LVCMOS25 with 12mA Drive and |
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Speed Grade |
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Fast Slew Rate to the Following |
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Signal Standard (IOSTANDARD) | Units | ||||
LVCMOS33 | Slow | 2 mA | 5.58 | 5.58 | ns |
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| 4 mA | 3.17 | 3.17 | ns |
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| 6 mA | 3.17 | 3.17 | ns |
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| 8 mA | 2.09 | 2.09 | ns |
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| 12 mA | 1.24 | 1.24 | ns |
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| 16 mA | 1.15 | 1.15 | ns |
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| 24 mA | 2.55 | 2.55 | ns |
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| Fast | 2 mA | 3.02 | 3.02 | ns |
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| 4 mA | 1.71 | 1.71 | ns |
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| 6 mA | 1.72 | 1.72 | ns |
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| 8 mA | 0.53 | 0.53 | ns |
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| 12 mA | 0.59 | 0.59 | ns |
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| 16 mA | 0.59 | 0.59 | ns |
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| 24 mA | 0.51 | 0.51 | ns |
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| QuietIO | 2 mA | 27.67 | 27.67 | ns |
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| 4 mA | 27.67 | 27.67 | ns |
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| 6 mA | 27.67 | 27.67 | ns |
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| 8 mA | 16.71 | 16.71 | ns |
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| 12 mA | 16.29 | 16.29 | ns |
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| 16 mA | 16.18 | 16.18 | ns |
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| 24 mA | 12.11 | 12.11 | ns |
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| Product Specification |