Patent ID: 7397138

Claim:
A semiconductor device formed by flip-chip bonding a semiconductor chip to a carrier used for external connection with the semiconductor chip, wherein: the semiconductor chip includes: a plurality of input/output (I/O) cells each including a circuit element and an electrode pad formed on the circuit element so that at least a portion of the electrode pad overlaps the circuit element in plan view, the plurality of I/O cells including first and second I/O groups each including at least two I/O cells, wherein the first I/O group includes at least two first I/O cells each having an inner electrode pad as the electrode pad and at least two second I/O cells each having an outer electrode pad as the electrode pad, and a plurality of electrode pads of the at least two first and second I/O cells included in the first I/O group are configured in a zigzag pad arrangement so as to form inner and outer pad arrays, and the second I/O group is formed in a region between a corner region of the semiconductor chip and the first I/O group, and includes at least two third I/O cells each having an outer electrode pad as the electrode pad, and said electrode pads included in the second I/O group are configured to form only outer pad array.