3.3-VLVCMOS datasheet(14/34 Pages) ALTERA

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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

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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