Semiconductor device

A semiconductor integrated circuit comprising:

• a nonvolatile memory enabling electric erase and write;
• and a central processing unit capable of accessing said nonvolatile memory on a semiconductor substrate,
• wherein said nonvolatile memory comprises a hierarchal bit line structure including first bit lines specific to each of a plurality of memory arrays, a second bit line shared between the first bit lines of the plurality of memory arrays, and a sense amp arranged between said first bit line and second bit line, and the number of said second bit lines is smaller than the parallel write bit number to the memory array.

A semiconductor integrated circuit comprising a nonvolatile memory enabling electric erase and write on a semiconductor substrate,

• wherein said nonvolatile memory comprises a hierarchal bit line structure including first bit lines specific to each of a plurality of memory arrays, a second bit line shared between the first bit lines of the plurality of memory arrays, and a sense amp selectively amplifying data read from said first bit line to output the amplified data to the second bit line.

21-25. (canceled).