Abstract: A semiconductor memory device includes: a memory cell array including a plurality of NAND strings, each of the plurality of NAND strings including a plurality of memory cell transistors connected to each other in series; a plurality of word lines commonly connected to the plurality of memory strings and connected to the plurality of memory cell transistors, respectively; and a row decoder configured to supply a predetermined voltage higher than a ground voltage to each of the plurality of word lines after a program operation for writing data to a selected word line is completed.

Abstract: The image forming apparatus is characterized in that information about an input voltage detected on the primary side of a transformer is transmitted from a primary-side switching control unit to a secondary-side controller for controlling a heating device, and the controller controls the temperature of a heater of the heating device based on the transmitted information.

Abstract: A plurality of semiconductor layers have longitudinally a first direction, have a peripheral area surrounded by the plurality of control gate electrodes, and are arranged in a plurality of rows within the laminated body. A controller controls a voltage applied to the control gate electrodes and bit lines. The controller, during a writing operation, applies a first voltage to a first bit line connected to the semiconductor layer positioned in a first row closer to the insulation separating layer, and applies a second voltage larger than the first voltage to a second bit line connected to the semiconductor layer positioned in a second row positioned further from the insulation separating layer with respect to the first row, among the plurality of rows.

Abstract: Provided is an image forming apparatus including a temperature sensing circuit to which a temperature sensing element is electrically connected, wherein a surface of a heater on a side where the temperature sensing element is provided is in contact with the inner surface of a film, a heating element is provided in a primary side circuit which is electrically connected to a commercial power supply, and the temperature sensing circuit is electrically insulated from both of the primary side circuit and a secondary side circuit which is electrically insulated from the primary side circuit.

Abstract: According to one embodiment, a memory controller transmits a first instruction to a memory device. The memory device includes cell transistors; word lines coupled to gates of the cell transistors; a first data latch; and a second latch. The first instruction instructs application of a positive voltage to one of the word lines. The memory controller transmits a second instruction after the transmission of the first instruction and before transmitting a third instruction. The third instruction instructs output of data from the memory device. The second instruction is different from the third instruction and a fourth instruction instructing copy of data from the first data latch to the second data latch.

Abstract: A semiconductor memory device includes first and second memory transistors and first and second word lines connected to gate electrodes of the memory transistors. The semiconductor memory device is configured such that a first write operation to the first memory transistor, a second write operation to the second memory transistor, a third write operation to the first memory transistor, and a fourth write operation to the second memory transistor are executed in this order. In the first and second write operations, data write is performed using only a program operation. In the third and fourth write operations, data write is performed using the program operation and the verify operation.

Abstract: A semiconductor memory device includes first and second memory transistors and first and second word lines connected to gate electrodes of the memory transistors. The semiconductor memory device is configured such that a first write operation to the first memory transistor, a second write operation to the second memory transistor, a third write operation to the first memory transistor, and a fourth write operation to the second memory transistor are executed in this order. In the first and second write operations, data write is performed using only a program operation. In the third and fourth write operations, data write is performed using the program operation and the verify operation.

Abstract: A semiconductor memory device according to an embodiment includes a plurality of strings each including a select transistor and a memory cell that can be set to any one of a plurality of different threshold voltages, a select gate line that is commonly connected to the select transistors of the plurality of strings, a plurality of bit lines that are individually connected to the plurality of strings, a word line that is commonly connected to the memory cells of the plurality of strings, and a control unit configured to execute a write sequence for repeatedly performing a plurality of loops each including a set of a program operation and a verify operation, and a voltage applied to the select gate line in the program operation of a last loop is lower than a voltage applied to the select gate line in the program operation of a first loop.

Abstract: Provided is an image forming apparatus including a temperature sensing circuit to which a temperature sensing element is electrically connected, wherein a surface of a heater on a side where the temperature sensing element is provided is in contact with the inner surface of a film, a heating element is provided in a primary side circuit which is electrically connected to a commercial power supply, and the temperature sensing circuit is electrically insulated from both of the primary side circuit and a secondary side circuit which is electrically insulated from the primary side circuit.

Abstract: In a heater including a plurality of first temperature detection elements that are arranged at predetermined intervals in a longitudinal direction of a substrate and respectively output temperature signals individually, and a plurality of second temperature detection elements that are arranged at predetermined intervals in positions that differ from the positions of the first temperature detection elements in a lateral direction that is orthogonal to the longitudinal direction but correspond to the positions of at least some of the plurality of first temperature detection elements in the longitudinal direction, and that output a single temperature signal obtained by adding individual temperature signals together, the individual temperature signals included in the single temperature signal are acquired on the basis of the plurality of temperature signals output by the plurality of first temperature detection elements and the single temperature signal.

Abstract: The power supply apparatus includes a control unit configured to perform control of gradually changing a turn-on duty of a first switching element when a first voltage mode is switched to a second voltage mode or when the second voltage mode is switched to the first voltage mode.

Abstract: In an image heating device having a plurality of heating blocks which are controllable independently in a longitudinal direction of a heater, an increase of the size of the heater can be suppressed, and temperatures of a plurality of heating block can be detected. A heater has a first temperature sensor corresponding to a first heating block, a second temperature sensor corresponding to a second heating block, a first electric conductor electrically coupled to the first temperature sensor, a second electric conductor electrically coupled to the second temperature sensor, and a common electric conductor electrically coupled to the first and second temperature sensors.

Abstract: A plurality of semiconductor layers have longitudinally a first direction, have a peripheral area surrounded by the plurality of control gate electrodes, and are arranged in a plurality of rows within the laminated body. A controller controls a voltage applied to the control gate electrodes and bit lines. The controller, during a writing operation, applies a first voltage to a first bit line connected to the semiconductor layer positioned in a first row closer to the insulation separating layer, and applies a second voltage larger than the first voltage to a second bit line connected to the semiconductor layer positioned in a second row positioned further from the insulation separating layer with respect to the first row, among the plurality of rows.

Abstract: An image forming apparatus includes a heater including a heating element, a driving unit that supplies electrical power to the heating element, and a plurality of temperature detection portions, each detecting a temperature of the heater, and being disposed on a first circuit. A control unit controls the driving unit based on the temperatures detected by the plurality of temperature detection portions, the control unit being disposed on a second circuit, which is isolated from the first circuit. A plurality of abnormality detection circuit portions output signals corresponding to the temperatures detected by the plurality of temperature detection portions, and are disposed on the first circuits. In addition, an abnormality transmission circuit portion transmits a signal indicating an abnormality in the heater to the control unit based on the signals output by the abnormality detection circuit portions.

Abstract: In an image heating device having a plurality of heating blocks which are controllable independently in a longitudinal direction of a heater, an increase of the size of the heater can be suppressed, and temperatures of a plurality of heating block can be detected. A heater has a first temperature sensor corresponding to a first heating block, a second temperature sensor corresponding to a second heating block, a first electric conductor electrically coupled to the first temperature sensor, a second electric conductor electrically coupled to the second temperature sensor, and a common electric conductor electrically coupled to the first and second temperature sensors.

Abstract: The image forming apparatus is characterized in that information about an input voltage detected on the primary side of a transformer is transmitted from a primary-side switching control unit to a secondary-side controller for controlling a heating device, and the controller controls the temperature of a heater of the heating device based on the transmitted information.

Abstract: In a heater including a plurality of first temperature detection elements that are arranged at predetermined intervals in a longitudinal direction of a substrate and respectively output temperature signals individually, and a plurality of second temperature detection elements that are arranged at predetermined intervals in positions that differ from the positions of the first temperature detection elements in a lateral direction that is orthogonal to the longitudinal direction but correspond to the positions of at least some of the plurality of first temperature detection elements in the longitudinal direction, and that output a single temperature signal obtained by adding individual temperature signals together, the individual temperature signals included in the single temperature signal are acquired on the basis of the plurality of temperature signals output by the plurality of first temperature detection elements and the single temperature signal.

Abstract: The power supply apparatus alternately repeats a control between a first control of varying a frequency of switching operation within a predetermined range and for a predetermined cycle according to a frequency determined based on a feedback voltage, and a second control of varying the frequency within a range narrower than the predetermined range or a third control of controlling the frequency to be a constant frequency.

Abstract: The power supply apparatus includes a current detection unit configured to detect a current that flows through a first switching element of a transformer, and a control unit controls a turn-on time of the first switching element based on a feedback voltage from a secondary side of the transformer, controls a turn-on time of a second switching element based on a detection result of the current detection unit, and performs switching between a continuous control and an intermittent control based on the feedback voltage, the continuous control being a control to perform an operation of continuing a first period, the intermittent control being a control to perform an operation of alternately repeating the first period and a second period.

Abstract: In an image heating device having a plurality of heating blocks which are controllable independently in a longitudinal direction of a heater, an increase of the size of the heater can be suppressed, and temperatures of a plurality of heating block can be detected. A heater has a first temperature sensor corresponding to a first heating block, a second temperature sensor corresponding to a second heating block, a first electric conductor electrically coupled to the first temperature sensor, a second electric conductor electrically coupled to the second temperature sensor, and a common electric conductor electrically coupled to the first and second temperature sensors.