Patent ID: 7728361

Claim:
An integrated circuit die comprising: a circuit having a first plurality of input/output pads; an input buffer, having an input and an output, and an output buffer, having an input and an output, for each of the pads of a second plurality of said circuit, wherein said second plurality being less than all of the first plurality; wherein each pad of said second plurality is connected to the input of the input buffer, and to the output of the output buffer; and an electrical connection connects the output of an input buffer of one pad of the second plurality to the input of an output buffer of an adjacent pad of the second plurality; wherein said second plurality having a first end and a second end; and an electrical connection connects the first end of said second plurality to an input/output pad of one of said first plurality, which is not one of the second plurality (hereinafter: “third plurality”) and connects the second end of said second plurality to another pad of said third plurality.