Information handling system with split trace for high speed routing
An apparatus includes a first conductor trace arranged to electrically couple a first complementary signal to provide differential signaling. The first conductor trace includes a first plurality of split traces to conduct the first complementary signal, and a first plurality of tie bars to connect the first split traces.
1. An apparatus comprising:
a first conductor trace arranged to electrically couple a first complementary signal to a second complementary signal to provide differential signaling, wherein the first conductor trace has a first impedance and a first width when unsplit, the first conductor trace including:
a first plurality of split traces to conduct the first complementary signal, wherein each of the split traces has a same width, wherein a combination of widths of the each of the split traces and widths between adjacent split traces is equal to the first width of the first conductor trace; and
a first plurality of tie bars to connect the first split traces, wherein the first tie bars cause the first plurality of split traces to have a combined impedance substantially equal to the first impedance.
2. The apparatus of claim 1 , further comprising:
a second conductor trace arranged to electrically couple the second complementary signal to the first complementary signal to provide the differential signaling, the second conductor trace including:
a second plurality of split traces to conduct the second complementary signal; and
a second plurality of tie bars to connect the second split traces.
3. The apparatus of claim 1 , wherein each of the first tie bars is perpendicular to each of the first plurality of split traces.
4. The apparatus of claim 1 , wherein each of a first set of the first tie bars is perpendicular to each of the first plurality of split traces, and each of a second set of the first tie bars is angled with respect to each of the first plurality of split traces.
5. The apparatus of claim 1 , wherein a periodicity of the first tie bars sets a resonance frequency of the first plurality of split traces.
6. The apparatus of claim 1 , wherein each split between the first plurality of split traces is formed by the first conductor trace being etched.
7. The apparatus of claim 1 , wherein the first conductor trace is included at a primary printed circuit board of an information handling system.
8. The apparatus of claim 1 , wherein the first conductor trace is included at an integrated circuit package.
9. An apparatus comprising:
a conductor trace arranged to electrically couple a first complementary signal to a second complementary signal to provide differential signaling, wherein the conductor trace has a first impedance and a first width when unsplit, the conductor trace including:
a plurality of split traces including a first split trace, a second split trace, and a third split trace, the plurality of split traces to conduct the first complementary signal, wherein each of the plurality of split traces has a same width, wherein a combination of widths of the each of the split traces and widths between adjacent split traces is equal to the first width of the conductor trace; and
a plurality of tie bars to connect the plurality of split traces, wherein a periodicity of the tie bars sets a resonance frequency of the plurality of split traces, wherein the tie bars cause the plurality of split traces to have a combined impedance substantially equal to the first impedance of the conductor trace.
10. The apparatus of claim 9 , wherein each of the first tie bars is perpendicular to each of the plurality of split traces.
11. The apparatus of claim 9 , wherein each of a first set of the tie bars is perpendicular to each of the plurality of split traces, and each of a second set of the tie bars is angled with respect to each of the plurality of split traces.
12. The apparatus of claim 9 , wherein the conductor trace is included at a primary printed circuit board of an information handling system.