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PCIMX258CJM4A Datasheet(PDF) 31 Page - Freescale Semiconductor, Inc |
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PCIMX258CJM4A Datasheet(HTML) 31 Page - Freescale Semiconductor, Inc |
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31 / 144 page ![]() i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 3 Freescale Semiconductor 31 Table 21 shows the fast I/O AC parameters for OVDD = 3.0–3.6 V. Table 21. Fast I/O AC Parameters for OVDD = 3.0–3.6 V Parameter Symbol Test Condition Min. Rise/Fall Typ. Max. Rise/Fall Units Notes Duty Cycle Fduty 40 60 % Output Pad Transition Times (Max Drive) tpr 25 pF 50 pF 0.80/0.70 1.40/1.60 1.12/2.51 1.60/2.39 1.64/1.32 2.84/2.10 ns 1 Output Pad Transition Times (High Drive) tpr 25 pF 50 pF 1.00/0.90 1.95/1.66 1.43/1.16 2.66/2.09 2.05/1.60 3.70/2.80 ns Output Pad Transition Times (Standard Drive) tpr 25 pF 50 pF 1.50/1.30 2.90/2.50 2.09/1.67 3.40/3.09 3.00/2.30 5.56/4.12 ns Output Pad Propagation Delay (Max Drive), 50%–50% tpo 25 pF 50 pF 1.20/1.28 1.67/1.75 1.74/1.73 2.39/2.32 2.67/2.52 3.58/3.33 ns 1 Output Pad Propagation Delay (High Drive), 50%–50% tpo 25 pF 50 pF 1.35/1.42 1.98/2.04 1.95/1.91 2.81/2.68 2.96/2.76 4.16/3.78 ns Output Pad Propagation Delay (Standard Drive), 50%–50% tpo 25 pF 50 pF 1.77/1.85 2.70/2.78 2.54/2.48 3.82/3.62 3.80/3.60 5.62/5.10 ns Output Pad Propagation Delay (Max Drive), 40%–60% tpo 25 pF 50 pF 1.37/1.50 1.74/1.88 1.94/2.05 2.46/2.55 2.95/3.07 3.71/3.75 ns 1 Output Pad Propagation Delay (High Drive), 40%–60% tpo 25 pF 50 pF 1.48/1.61 1.98/2.10 2.11/2.19 2.78/2.81 3.19/3.26 4.14/4.09 ns Output Pad Propagation Delay (Standard Drive), 40%–60% tpo 25 pF 50 pF 1.84/1.97 2.58/2.71 2.61/2.67 3.62/3.58 3.95/3.95 5.36/5.15 ns Output Enable to Output Valid Delay (Max Drive), 50%–50% tpv 25 pF 50 pF 1.34/1.32 1.81/1.79 1.91/1.81 2.56/2.40 2.92/2.67 3.83/3.47 ns 1 Output Enable to Output Valid Delay (High Drive), 50%–50% tpv 25 pF 50 pF 1.48/1.47 2.12/2.1 2.12/2.00 2.98/2.76 3.21/2.92 4.41/3.94 ns Output Enable to Output Valid Delay (Standard Drive), 50%–50% tpv 25 pF 50 pF 1.90/1.90 2.85/2.83 2.70/2.60 4.00/3.70 4.07/3.74 5.86/5.24 ns Output Enable to Output Valid Delay (Max Drive), 40%–60% tpv 25 pF 50 pF 1.55/1.42 1.93/1.81 2.25/2.08 2.77/2.58 3.50/3.31 4.24/3.99 ns 1 Output Enable to Output Valid Delay (High Drive), 40%–60% tpv 25 pF 50 pF 1.67/1.54 2.16/2.03 2.41/2.23 3.08/2.86 3.74/3.51 4.66/4.34 ns Output Enable to Output Valid Delay (Standard Drive), 40%–60% tpv 25 pF 50 pF 2.02/1.90 2.76/2.63 2.91/2.71 3.91/3.62 4.48/4.21 5.85/5.39 ns Output Pad Slew Rate (Max Drive) tps 25 pF 50 pF 0.96/1.40 0.54/0.83 1.54/2.10 0.85/1.24 2.30/3.00 1.26/1.70 V/ns 2 Output Pad Slew Rate (High Drive) tps 25 pF 50 pF 0.76/1.10 0.41/0.64 1.19/1.71 0.63/0.95 1.78/2.39 0.95/1.30 V/ns Output Pad Slew Rate (Standard Drive) tps 25 pF 50 pF 0.52/0.78 0.28/0.44 0.80/1.19 0.43/0.64 1.20/1.60 0.63/0.87 V/ns |
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