摘要:
A semiconductor device and a method of operating the semiconductor device. The semiconductor device includes a voltage generator configured to generate a test voltage, a graphene transistor configured to receive a gate-source voltage based on the test voltage, and a detector configured to detect whether the gate-source voltage is a Dirac voltage of the graphene transistor, and output a feedback signal applied to the voltage generator indicating whether the gate-source voltage is the Dirac voltage.
摘要:
Provided is a semiconductor device that may include a switching device having a negative threshold voltage, and a driving unit between a power terminal and a ground terminal and providing a driving voltage for driving the switching device. The switching device may be connected to a virtual ground node having a virtual ground voltage that is greater than a ground voltage supplied from the ground terminal and may be turned on when a difference between the driving voltage and the virtual ground voltage is greater than the negative threshold voltage.
摘要:
Image sensors and methods of operating the same. An image sensor includes a pixel array including a plurality of pixels. Each of the plurality of pixels includes a photo sensor, the voltage-current characteristics of which vary according to energy of incident light, and that generates a sense current determined by the energy of the incident light; a reset unit that is activated to generate a reference current, according to a reset signal for resetting at least one of the plurality of pixels; and a conversion unit that converts the sense current and the reference current into a sense voltage and a reference voltage, respectively.
摘要:
A nonvolatile memory cell may include a bidirectional switch having a first threshold voltage when a forward current is applied to the bidirectional switch and a second threshold voltage when a reverse current is applied to the bidirectional switch; and a variable resistor connected to the bidirectional switch in series. A state of resistance of the variable resistor may be controlled according to voltage applied to the variable resistor. A sum of a magnitude of the first threshold voltage and a magnitude of the second threshold voltage may be greater than a write voltage that is used to perform a write operation on the variable resistor.
摘要:
A memory cell includes: a memory cell array unit having a plurality of nano wires arranged vertically on a substrate, each of the plurality of nano wires having a plurality of domains for storing information; a nano wire selection unit formed on the substrate and configured to select at least one of the plurality of nano wires; a domain movement control unit formed on the substrate and configured to control a domain movement operation with respect to at least one of the plurality of nano wires; and a read/write control unit formed on the substrate and configured to control at least one of a read operation and a write operation with respect to at least one of the plurality of nano wires.
摘要:
A nonvolatile logic circuit includes a latch unit including a pair of first and second latch nodes; and a pair of first and second nonvolatile memory cells electrically connected to the first and second of latch nodes, respectively. A write operation is performed on the first and second nonvolatile memory cells according to a direction of a current flowing through the first and second nonvolatile memory cells when a write enable signal is activated. The direction of flow of current determined based on data on the respective first and second latch nodes, and a logic value written on the first nonvolatile memory cells is different from a logic value written on the second nonvolatile memory cell.
摘要:
A memory cell includes: a memory cell array unit having a plurality of nano wires arranged vertically on a substrate, each of the plurality of nano wires having a plurality of domains for storing information; a nano wire selection unit formed on the substrate and configured to select at least one of the plurality of nano wires; a domain movement control unit formed on the substrate and configured to control a domain movement operation with respect to at least one of the plurality of nano wires; and a read/write control unit formed on the substrate and configured to control at least one of a read operation and a write operation with respect to at least one of the plurality of nano wires.
摘要:
A nonvolatile logic circuit includes a latch unit including a pair of first and second latch nodes; and a pair of first and second nonvolatile memory cells electrically connected to the first and second of latch nodes, respectively. A write operation is performed on the first and second nonvolatile memory cells according to a direction of a current flowing through the first and second nonvolatile memory cells when a write enable signal is activated. The direction of flow of current determined based on data on the respective first and second latch nodes, and a logic value written on the first nonvolatile memory cells is different from a logic value written on the second nonvolatile memory cell.
摘要:
Provided is a semiconductor device that may include a switching device having a negative threshold voltage, and a driving unit between a power terminal and a ground terminal and providing a driving voltage for driving the switching device. The switching device may be connected to a virtual ground node having a virtual ground voltage that is greater than a ground voltage supplied from the ground terminal and may be turned on when a difference between the driving voltage and the virtual ground voltage is greater than the negative threshold voltage.
摘要:
A storage device may include a storage unit that stores data transmitted via a plurality of first wires; and a security control unit that controls connection between each of a plurality of second wires connected to an external device and each of the plurality of first wires by programming a plurality of switching devices according to an encryption key.