Patent ID: 7362093

Claim:
An integrated circuit comprising: A. a substrate having opposite sides; B. functional core logic formed on the substrate and having a first lead and a second lead extending from the core logic; C. a first pad formed on one side of the substrate and a second pad formed on an opposite side of the substrate; D. a conductor formed on the substrate and extending from the one side to the opposite side; and E. switch circuitry formed on the substrate and having a mode input receiving a functional signal and a bypass signal, when receiving the functional signal, the switch circuitry selectively connecting the first lead and the second lead between the first pad and second pad while disconnecting the conductor from between the first pad and the second pad, and, when receiving the bypass signal, the switch circuitry selectively connecting the conductor between the first pad and the second pad while disconnecting the first lead and the second lead from between the first pad and the second pad.