AX2000-1CGG896 datasheet(21/226 Pages) ACTEL

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Axcelerator Family FPGAs

v2.7

2-7

Timing Characteristics

Axcelerator devices are manufactured in a CMOS process, therefore, device performance varies according to

temperature, voltage, and process variations. Minimum timing parameters reflect maximum operating voltage,

minimum operating temperature, and best-case processing. Maximum timing parameters reflect minimum operating

voltage, maximum operating temperature, and worst-case processing. The derating factors shown in Table 2-7 should

be applied to all timing data contained within this datasheet.

All timing numbers listed in this datasheet represent sample timing characteristics of Axcelerator devices. Actual

timing delay values are design-specific and can be derived from the Timer tool in Actel’s Designer software after place-

and-route.

Table 2-7 • Temperature and Voltage Timing Derating Factors

(Normalized to Worst-Case Commercial, TJ = 70°C, VCCA = 1.425V)

VCCA

Junction Temperature

–55°C

–40°C

0°C

25°C

70°C

85°C

125°C

1.4V

0.83

0.86

0.91

0.96

1.02

1.05

1.15

1.425V

0.82

0.84

0.90

0.94

1.00

1.04

1.13

1.5V

0.78

0.80

0.85

0.89

0.95

0.98

1.07

1.575V

0.74

0.76

0.81

0.85

0.90

0.94

1.02

1.6V

0.73

0.75

0.80

0.84

0.89

0.92

1.01

Notes:

1. The user can set the junction temperature in Designer software to be any integer value in the range of –55

°C to 175°C.

2. The user can set the core voltage in Designer software to be any value between 1.4V and 1.6V.

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