摘要:
A semiconductor device includes a first plate member having a circuit surface on which a circuit is provided, a second plate member having a circuit surface on which a circuit is provided, a plurality of first flat plates disposed on the circuit surface of the first plate member, a first communicating section disposed on the circuit surface of the first plate member, a plurality of second flat plates disposed on the circuit surface of the second plate member, and a second communicating section disposed on the circuit surface of the second plate member. The first plate member and the second plate member are arranged so that a surface of the first plate member opposite to the circuit surface faces a surface of the second plate member opposite to the circuit surface.
摘要:
A semiconductor device includes a first semiconductor package, a second semiconductor package. The first semiconductor package includes a first semiconductor package base having a first cavity formed therein, a first mount component mounted in the first cavity, and a first magnet disposed on the first semiconductor package base. The second semiconductor package includes a second semiconductor package base having a second cavity formed therein, a second mount component mounted in the second cavity, and a second magnet disposed on the second semiconductor package base so as to adsorb the first magnet. The first semiconductor package and the second semiconductor package are stacked by an adsorption of magnetic force between the first magnet and the second magnet.
摘要:
A semiconductor device includes a first semiconductor package, a second semiconductor package. The first semiconductor package includes a first semiconductor package base having a first cavity formed therein, a first mount component mounted in the first cavity, and a first magnet disposed on the first semiconductor package base. The second semiconductor package includes a second semiconductor package base having a second cavity formed therein, a second mount component mounted in the second cavity, and a second magnet disposed on the second semiconductor package base so as to adsorb the first magnet. The first semiconductor package and the second semiconductor package are stacked by an adsorption of magnetic force between the first magnet and the second magnet.
摘要:
A semiconductor device includes a first plate member having a circuit surface on which a circuit is provided, a second plate member having a circuit surface on which a circuit is provided, a plurality of first flat plates disposed on the circuit surface of the first plate member, a first communicating section disposed on the circuit surface of the first plate member, a plurality of second flat plates disposed on the circuit surface of the second plate member, and a second communicating section disposed on the circuit surface of the second plate member. The first plate member and the second plate member are arranged so that a surface of the first plate member opposite to the circuit surface faces a surface of the second plate member opposite to the circuit surface.
摘要:
A communication semiconductor chip performs wireless communication with another communication semiconductor chip. The semiconductor chip includes a communication module and a control unit. The communication module performs the wireless communication with another communication semiconductor chip and has a receiving circuit for receiving data. The control unit supplies a reference voltage to the receiving circuit and performs a calibration operation on the reference voltage.
摘要:
A semiconductor memory device for realizing high speed writing while maintaining the credibility of write data, wherein a write gate is provided between a bit line and an input/output data line of a memory cell array, the write gate becomes open when a selected word line becomes an activation state and a write signal set to the input/output data line in accordance with write data is applied to the selected bit line via the write gate when writing, so that writing of data to a selected memory cell can be performed immediately after activating the selected word line when writing, and writing to the selected memory cell can be performed in parallel with reading and refreshing of non-selected memory cells, and consequently, a time for storing charges to the selected memory cell can be sufficiently secured and writing at a high speed can be realized.
摘要:
A semiconductor device includes a first substrate having a first surface for mounting an electronic component and a second surface substantially parallel to the first surface. The first substrate includes a first region for mounting the electronic component, a second region including a plurality of first communication units for transmitting and receiving signals to and from a second substrate, input-output circuits disposed on the first region or the second region, the input-out circuits corresponding to the first communication units, and a control circuit for controlling input to and output from the input-output circuits disposed on the first region or the second region of the first substrate. Each of the input-output circuits includes an output circuit for outputting a signal to a second communication unit of the second substrate corresponding to the first communication unit and an input unit for receiving a signal sent from the corresponding second communication unit.
摘要:
A semiconductor device includes a first substrate having a first surface for mounting an electronic component and a second surface substantially parallel to the first surface. The first substrate includes a first region for mounting the electronic component, a second region including a plurality of first communication units for transmitting and receiving signals to and from a second substrate, input-output circuits disposed on the first region or the second region, the input-out circuits corresponding to the first communication units, and a control circuit for controlling input to and output from the input-output circuits disposed on the first region or the second region of the first substrate. Each of the input-output circuits includes an output circuit for outputting a signal to a second communication unit of the second substrate corresponding to the first communication unit and an input unit for receiving a signal sent from the corresponding second communication unit.
摘要:
A semiconductor device includes a first substrate having a first surface for mounting an electronic component and a second surface substantially parallel to the first surface. The first substrate includes a first region for mounting the electronic component, a second region including a plurality of first communication units for transmitting and receiving signals to and from a second substrate, input-output circuits disposed on the first region or the second region, the input-out circuits corresponding to the first communication units, and a control circuit for controlling input to and output from the input-output circuits disposed on the first region or the second region of the first substrate. Each of the input-output circuits includes an output circuit for outputting a signal to a second communication unit of the second substrate corresponding to the first communication unit and an input unit for receiving a signal sent from the corresponding second communication unit.
摘要:
A semiconductor memory device for improving the utilization of a shared data bus and the data transfer rate in a multi-bank DRAM and realizing high speed data accessing without increasing a scale of a control circuit, wherein the multi-bank DRAM has memory banks provided with an address register for holding a write address, a data register for holding write data, an address matching detection circuit for detecting whether an address held in the address register matches with an address input this time, and when reading is performed continuously from writing on the same address of the same memory bank, reading is not performed on a memory cell specified by a read address and data held in the data register is output as read data, so that memory accessing made continuously to the same address can be performed at a high speed.