EP1AGX ALTERA [Altera Corporation], EP1AGX Datasheet - Page 148

• Manufacturer Part Number: EP1AGX
• Description: Section I. Arria GX Device Data Sheet
• Manufacturer: ALTERA [Altera Corporation]

4–26
I/O Timing Model
Preliminary, Correlated, and Final Timing
Arria GX Device Handbook, Volume 1
f
1
For more information about PowerPlay tools, refer to the
Estimator and PowerPlay Power Analyzer
in volume 3 of the Quartus II Handbook.
The DirectDrive technology and MultiTrack interconnect ensures predictable
performance, accurate simulation, and accurate timing analysis across all Arria GX
device densities and speed grades. This section describes and specifies the
performance of I/Os.
All specifications are representative of worst-case supply voltage and junction
temperature conditions.
The timing numbers listed in the tables of this section are extracted from the
Quartus II software version 7.1.
Timing models can have either preliminary, correlated, or final status. The Quartus II
software issues an informational message during design compilation if the timing
models are preliminary.
models.
■
■
■
Table 4–43. Arria GX Device Timing Model Status
For typical I
EP1AGX20
EP1AGX35
EP1AGX50
EP1AGX60
EP1AGX90
Preliminary status means the timing model is subject to change. Initially, timing
numbers are created using simulation results, process data, and other known
parameters. These tests are used to make the preliminary numbers as close to the
actual timing parameters as possible.
Correlated numbers are based on actual device operation and testing. These
numbers reflect the actual performance of the device under worst-case voltage and
junction temperature conditions.
Final timing numbers are based on complete correlation to actual devices and
addressing any minor deviations from the correlated timing model. When the
timing models are final, all or most of the Arria GX family devices have been
completely characterized and no further changes to the timing model are
expected.
Device
CC
standby specifications, refer to
Preliminary
Table 4–43
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lists the status of the Arria GX device timing
Correlated
page and the
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Table 4–14 on page 4–14
Chapter 4: DC and Switching Characteristics
PowerPlay Power Analysis
PowerPlay Early Power
© December 2009 Altera Corporation
Final
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I/O Timing Model
chapter