FG484 datasheet(41/162 Pages) MICROSEMI

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ProASIC3E Flash Family FPGAs

Revision 13

2-27

Timing Characteristics

Table 2-31 • 3.3 V LVCMOS Wide Range High Slew

Commercial-Case Conditions: TJ = 70°C, Worst-Case VCC = 1.425 V, Worst-Case VCCI = 2.7 V

Drive

Strength

Equivalent

Software

Default

Drive

Strength

Option1

Speed

Grade tDOUT tDP

tDIN tPY tPYS tEOUT tZL

tZH

tLZ tHZ tZLS tZHS Units

100 µA

4 mA

Std.

0.66 12.19 0.04 1.83 2.38 0.43 12.19 10.17 4.16 4.00 15.58 13.57

–1

0.56 10.37 0.04 1.55 2.02 0.36 10.37 8.66 3.54 3.41 13.26 11.54

–2

0.49

9.10 0.03 1.36 1.78 0.32

9.10

7.60 3.11 2.99 11.64 10.13

100 µA

8 mA

Std.

0.66

7.85 0.04 1.83 2.38 0.43

7.85

6.29 4.71 4.97 11.24 9.68

–1

0.56

6.68 0.04 1.55 2.02 0.36

6.68

5.35 4.01 4.22 9.57

8.24

–2

0.49

5.86 0.03 1.36 1.78 0.32

5.86

4.70 3.52 3.71 8.40

7.23

100 µA

12 mA

Std.

0.66

5.67 0.04 1.83 2.38 0.43

5.67

4.36 5.06 5.59 9.07

7.75

–1

0.56

4.82 0.04 1.55 2.02 0.36

4.82

3.71 4.31 4.75 7.71

6.59

–2

0.49

4.24 0.03 1.36 1.78 0.32

4.24

3.25 3.78 4.17 6.77

5.79

100 µA

16 mA

Std.

0.66

5.35 0.04 1.83 2.38 0.43

5.35

3.96 5.15 5.76 8.75

7.35

–1

0.56

4.55 0.04 1.55 2.02 0.36

4.55

3.36 4.38 4.90 7.44

6.25

–2

0.49

4.00 0.03 1.36 1.78 0.32

4.00

2.95 3.85 4.30 6.53

5.49

100 µA

24 mA

Std.

0.66

4.96 0.04 1.83 2.38 0.43

4.96

3.27 5.23 6.38 8.35

6.67

–1

0.56

4.22 0.04 1.55 2.02 0.36

4.22

2.78 4.45 5.43 7.11

5.67

–2

0.49

3.70 0.03 1.36 1.78 0.32

3.70

2.44 3.91 4.76 6.24

4.98

Notes:

1. The minimum drive strength for any LVCMOS 3.3 V software configuration when run in wide range is ±100 µA. Drive

strength displayed in the software is supported for normal range only. For a detailed I/V curve, refer to the IBIS models.

2. Software default selection highlighted in gray.

3. For specific junction temperature and voltage supply levels, refer to Table 2-6 on page 2-5 for derating values.

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