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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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1.5-VLVCMOS датащи(PDF) 14 Page - Altera Corporation |
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1.5-VLVCMOS датащи(HTML) 14 Page - Altera Corporation |
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14 / 34 page  1–14 Chapter 1: Cyclone III Device Datasheet Switching Characteristics Cyclone III Device Handbook July 2012 Altera Corporation Volume 2 Power Consumption You can use the following methods to estimate power for a design: ■ the Excel-based EPE. ■ the Quartus II PowerPlay power analyzer feature. The interactive Excel-based EPE is used prior to designing the device to get a magnitude estimate of the device power. The Quartus II PowerPlay power analyzer provides better quality estimates based on the specifics of the design after place-and- route is complete. The PowerPlay power analyzer can apply a combination of user- entered, simulation-derived, and estimated signal activities which, combined with detailed circuit models, can yield very accurate power estimates. f For more information about power estimation tools, refer to the Early Power Estimator User Guide and the PowerPlay Power Analysis chapter in volume 3 of the Quartus II Handbook. Switching Characteristics This section provides the performance characteristics of the core and periphery blocks for Cyclone III devices. All data is final and is based on actual silicon characterization and testing. These numbers reflect the actual performance of the device under worst-case silicon process, voltage, and junction temperature conditions. Core Performance Specifications Clock Tree Specifications Table 1–19 lists the clock tree specifications for Cyclone III devices. Table 1–19. Cyclone III Devices Clock Tree Performance Device Performance Unit C6 C7 C8 EP3C5 500 437.5 402 MHz EP3C10 500 437.5 402 MHz EP3C16 500 437.5 402 MHz EP3C25 500 437.5 402 MHz EP3C40 500 437.5 402 MHz EP3C55 500 437.5 402 MHz EP3C80 500 437.5 402 MHz EP3C120 (1) 437.5 402 MHz Note to Table 1–19: (1) EP3C120 offered in C7, C8, and I7 grades only. |
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