Semiconductor chip, semiconductor integrated circuit including the semiconductor chip, semiconductor system including the semiconductor integrated circuit and method of driving the semiconductor system

A semiconductor integrated circuit comprising:

• a plurality of semiconductor chips:
• at least one first chip through via suitable for penetrating through the plurality of semiconductor chips and interfacing a source ID code between the plurality of semiconductor chips;
• and
• a plurality of second chip through vias suitable for penetrating through the plurality of semiconductor chips and interfacing a plurality of chip selection signals between the plurality of semiconductor chips,
• wherein each of the plurality of semiconductor chips includes:
• a unique ID allocation unit suitable for generating a unique ID code for the semiconductor chip and transferring the source ID code which is generated by up-counting or down-counting the unique ID code to a neighboring semiconductor chip through the first chip through via;
• an alternative ID allocation unit suitable for generating an alternative ID code corresponding to a unique ID code for a preset semiconductor chip to be replaced for the semiconductor chip when the semiconductor chip fails;
• a chip ID code generation unit suitable for generating a chip ID code corresponding to one of the unique ID code and the alternative ID code in response to an ID selection signal;
• and
• a chip selection signal input unit suitable for generating an internal chip selection signal by selecting one of the plurality of chip selection signals in response to the chip ID code and transferring the plurality of chip selection signals to the neighboring semiconductor chips through the second chip through vias.

A semiconductor system, comprising:

• a controller;
• and
• a semiconductor integrated circuit including a plurality of semiconductor chips,
• wherein each of the plurality of semiconductor chips uses a chip selection signal corresponding to one of a unique ID code for the semiconductor chip and an alternative ID code for a preset semiconductor chip when the semiconductor chip fails, among a plurality of chip selection signals applied from the controller, as an internal chip selection signal.

A method of driving a semiconductor system, comprising:

• generating an internal chip selection signal, by a plurality of semiconductor chips, by selecting a chip selection signal corresponding to a unique ID code for the semiconductor chip, among a plurality of chip selection signals applied from a controller;
• when at least one of the plurality of semiconductor chips fails, allocating an alternative ID code to the failed semiconductor chip and a semiconductor chip to replace the failed semiconductor chip;
• and
• generating an internal chip selection signal, by the failed semiconductor chip and the semiconductor chip to replace the failed semiconductor chip, by selecting a chip selection signal corresponding to the alternative ID code.