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A1440AA-1PG208M Datasheet(PDF) 40 Page - Actel Corporation |
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A1440AA-1PG208M Datasheet(HTML) 40 Page - Actel Corporation |
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40 / 68 page  1-214 A1460A, A14V60A Timing Characteristics (continued) (Worst-Case Commercial Conditions) Note: 1. Delays based on 35pF loading. Dedicated (Hard-Wired) I/O Clock Network ‘–3’ Speed ‘–2’ Speed ‘–1’ Speed ‘Std’ Speed 3.3V Speed Parameter Description Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Units tIOCKH Input Low to High (Pad to I/O Module Input) 2.3 2.6 3.0 3.5 4.5 ns tIOPWH Minimum Pulse Width High 2.4 3.2 3.8 4.8 6.5 ns tIOPWL Minimum Pulse Width Low 2.4 3.2 3.8 4.8 6.5 ns tIOSAPW Minimum Asynchronous Pulse Width 2.4 3.2 3.8 4.8 6.5 ns tIOCKSW Maximum Skew 0.6 0.6 0.6 0.6 0.6 ns tIOP Minimum Period 5.0 6.8 8.0 10.0 13.4 ns fIOMAX Maximum Frequency 200 150 125 100 75 MHz Dedicated (Hard-Wired) Array Clock Network tHCKH Input Low to High (Pad to S-Module Input) 3.7 4.1 4.7 5.5 7.0 ns tHCKL Input High to Low (Pad to S-Module Input) 3.7 4.1 4.7 5.5 7.0 ns tHPWH Minimum Pulse Width High 2.4 3.2 3.8 4.8 6.5 ns tHPWL Minimum Pulse Width Low 2.4 3.2 3.8 4.8 6.5 ns tHCKSW Maximum Skew 0.6 0.6 0.6 0.6 0.6 ns tHP Minimum Period 5.0 6.8 8.0 10.0 13.4 ns fHMAX Maximum Frequency 200 150 125 100 75 MHz Routed Array Clock Networks tRCKH Input Low to High (FO=256) 6.0 6.8 7.7 9.0 11.8 ns tRCKL Input High to Low (FO=256) 6.0 6.8 7.7 9.0 11.8 ns tRPWH Min. Pulse Width High (FO=256) 4.1 4.5 5.4 6.1 8.2 ns tRPWL Min. Pulse Width Low (FO=256) 4.1 4.5 5.4 6.1 8.2 ns tRCKSW Maximum Skew (FO=128) 1.2 1.4 1.6 1.8 1.8 ns tRP Minimum Period (FO=256) 8.3 9.3 11.1 12.5 16.7 ns fRMAX Maximum Frequency (FO=256) 120 105 90 80 60 MHz Clock-to-Clock Skews tIOHCKSW I/O Clock to H-Clock Skew 0.0 2.6 0.0 2.7 0.0 2.9 0.0 3.0 0.0 3.0 ns tIORCKSW I/O Clock to R-Clock Skew (FO = 64) (FO = 216) 0.0 0.0 1.7 5.0 0.0 0.0 1.7 5.0 0.0 0.0 1.7 5.0 0.0 0.0 1.7 5.0 0.0 0.0 5.0 5.0 ns ns tHRCKSW H-Clock to R-Clock Skew (FO = 64) (FO = 216) 0.0 0.0 1.3 3.0 0.0 0.0 1.0 3.0 0.0 0.0 1.0 3.0 0.0 0.0 1.0 3.0 0.0 0.0 1.0 3.0 ns ns |
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