Semiconductor integrated circuit and method of manufacturing the same

摘要

A semiconductor integrated circuit includes a plurality of functional blocks placed on a semiconductor chip and being respectively provided with predetermined functions by semiconductor devices and a gate array block placed on said chip. The gate array block includes a plurality of electrically connected basic cells implementing desired functions. The gate array block has a circuit designed after placing the functional blocks and the basic cells on the chip. The functional blocks and gate array block are laid out with at least one common mask in a first area including a center position on a surface of the semiconductor chip. The circuit also includes I/O buffers surrounding the first area.