Abstract: A package-on-package (PoP) semiconductor package includes an upper package and a lower package. The lower package includes a first semiconductor device in a first area, a second semiconductor device in a second area, and a command-and-address vertical interconnection, a data input-output vertical interconnection, and a memory management vertical interconnection adjacent to the first area.

Abstract: A package-on-package (PoP) semiconductor package includes an upper package and a lower package. The lower package includes a first semiconductor device in a first area, a second semiconductor device in a second area, and a command-and-address vertical interconnection, a data input-output vertical interconnection, and a memory management vertical interconnection adjacent to the first area.

Abstract: A package-on-package (PoP) semiconductor package includes an upper package and a lower package. The lower package includes a first semiconductor device in a first area, a second semiconductor device in a second area, and a command-and-address vertical interconnection, a data input-output vertical interconnection, and a memory management vertical interconnection adjacent to the first area.

Abstract: A package-on-package (PoP) semiconductor package includes an upper package and a lower package. The lower package includes a first semiconductor device in a first area, a second semiconductor device in a second area, and a command-and-address vertical interconnection, a data input-output vertical interconnection, and a memory management vertical interconnection adjacent to the first area.

Abstract: A package-on-package (PoP) semiconductor package includes an upper package and a lower package. The lower package includes a first semiconductor device in a first area, a second semiconductor device in a second area, and a command-and-address vertical interconnection, a data input-output vertical interconnection, and a memory management vertical interconnection adjacent to the first area.

Abstract: A package-on-package (PoP) semiconductor package includes an upper package and a lower package. The lower package includes a first semiconductor device in a first area, a second semiconductor device in a second area, and a command-and-address vertical interconnection, a data input-output vertical interconnection, and a memory management vertical interconnection adjacent to the first area.

Abstract: A package-on-package (PoP) semiconductor package includes an upper package and a lower package. The lower package includes a first semiconductor device in a first area, a second semiconductor device in a second area, and a command-and-address vertical interconnection, a data input-output vertical interconnection, and a memory management vertical interconnection adjacent to the first area.

Abstract: A semiconductor device having a printed circuit board and a semiconductor chip. The printed circuit board includes a chip region, a plurality of first ball lands adjacent to the chip region, and at least one second ball land adjacent to the first ball lands. The semiconductor chip is mounted on the chip region. The first ball lands are arranged to have a first pitch. One of the first ball lands which is nearest to the second ball land, and the second ball land have a second pitch greater than the first pitch.

Abstract: A semiconductor device having a printed circuit board and a semiconductor chip. The printed circuit board includes a chip region, a plurality of first ball lands adjacent to the chip region, and at least one second ball land adjacent to the first ball lands. The semiconductor chip is mounted on the chip region. The first ball lands are arranged to have a first pitch. One of the first ball lands which is nearest to the second ball land, and the second ball land have a second pitch greater than the first pitch.

Abstract: A semiconductor device having a printed circuit board and a semiconductor chip. The printed circuit board includes a chip region, a plurality of first ball lands adjacent to the chip region, and at least one second ball land adjacent to the first ball lands. The semiconductor chip is mounted on the chip region. The first ball lands are arranged to have a first pitch. One of the first ball lands which is nearest to the second ball land, and the second ball land have a second pitch greater than the first pitch.

Abstract: A semiconductor package, an electronic device, and an electronic system employing the same are provided. The semiconductor package includes a printed circuit board (PCB) and a semiconductor chip structure. A first PCB land region is provided on a first surface of the PCB. A plurality of first chip land regions are provided on a first surface of the semiconductor chip structure which faces the first surface of the PCB. A first connection structure for electrically connecting the first PCB land region to the plurality of first chip land regions is provided.

Abstract: A semiconductor device having a printed circuit board and a semiconductor chip. The printed circuit board includes a chip region, a plurality of first ball lands adjacent to the chip region, and at least one second ball land adjacent to the first ball lands. The semiconductor chip is mounted on the chip region. The first ball lands are arranged to have a first pitch. One of the first ball lands which is nearest to the second ball land, and the second ball land have a second pitch greater than the first pitch.