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If you have had to create your own stackup, then you know it takes some time to come up with something good. In this post I would like to share our the most used stackups. Feel free to use them in your projects. Hope it helps.

1. High Density Stackup

Number of Layers: 12
Number of Signal Layers with controlled impedance: 6
Defined Impedance: 55OHM Single Ended, 90 OHM Differential, 100 OHM Differential

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2. Motherboard Stackup

Number of Layers: 12
Number of Signal Layers with controlled impedance: 4
Defined Impedance: 50OHM Single Ended, 72 / 85 / 90 / 100 OHM Differential

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3. System on Module Stackup

Number of Layers: 12
Number of Signal Layers with controlled impedance: 4
Defined Impedance: 55OHM Single Ended, 90 OHM Differential, 100 OHM Differential

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4. System on Module Stackup

Number of Layers: 10
Number of Signal Layers with controlled impedance: 4
Defined Impedance: 50/55OHM Single Ended, 90 OHM Differential

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5. Advanced Cost Effective Stackup

Number of Layers: 6
Number of Signal Layers with controlled impedance: 3
Defined Impedance: 55OHM Single Ended, 90 OHM Differential, 100 OHM Differential

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6. Cheap Board Stackup (wide tracks)

Number of Layers: 6
Number of Signal Layers with controlled impedance: 3
Defined Impedance: 55OHM Single Ended, 90 OHM Differential, 100 OHM Differential

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