摘要:
In a magnetic random access memory (MRAM), and a method of reading data from the same, the MRAM includes a memory cell having one transistor and one magnetic tunneling junction (MTJ) layer, and a reference cell that is operable for use as a basis when reading data stored in the memory cell, wherein the reference cell includes first and second MTJ layers provided in parallel to each other, and first and second transistors provided in parallel to each other, the first and second transistors being respectively connected in series to the first and second MTJ layers. Alternatively, one transistor having a driving capability corresponding to twice a driving capability of the transistor of the memory cell may be substituted for the first and second transistors of the reference cell.
摘要:
An image apparatus and a method for receiving a video signal are provided. The image apparatus includes dedicated input terminals for receiving only particular video signals, and a common input terminal for receiving diverse video signals, and determines the format of video signals input through a corresponding input terminal and then displays the determined format on a screen. Accordingly, the number of input terminals can be reduced and the user can identify the format of the video signal input through the common input terminal.
摘要:
A magnetic random access memory (MRAM) includes a memory cell having a first transistor and a first magnetic tunneling junction (MTJ) layer, and a reference cell operable as a basis when reading data stored in the memory cell, the reference cell including second and third MTJ layers arranged in parallel to each other, and a second transistor connected in series to each of the second and third MTJ layers, the second transistor having a driving capability corresponding to twice a driving capability of the first transistor of the memory cell.
摘要:
Provided is a method of operating a magnetic random access memory device comprising a switch structure and a magnetoresistance structure. According to the method, current variation depending on the direction of the current can be reduced by controlling a gate voltage of the switch structure when supplying current to write data to the magnetoresistance structure.
摘要:
A method of manufacturing a non-volatile memory device providing a semiconductor layer in which a cell region and a peripheral region are defined, sequentially forming a first insulating layer, a first conductive layer, a second insulating layer, and a second conductive layer on the cell region and the peripheral region, forming a trench for exposing a portion of the first conductive layer of the peripheral region, wherein the trench is formed by removing portions of the second conductive layer and the second insulating layer in the peripheral region, performing a trimming operation for removing portions of the second conductive layer and the second insulating layer of the cell region, forming a spacer on a side surface of the trench, and forming a silicide layer that is electrically connected to the first conductive layer, wherein the silicide layer is formed by performing a silicidation process on the spacer.
摘要:
Provided are a semiconductor memory device and a method of programming the same. The semiconductor memory device includes a mode input value generating unit and a logic operating unit. The mode input value generating unit changes a connection state between input values of a current driving circuit so as to correspond to each of at least two operating modes, and defines a logic function of a magnetic memory cell connected to the current driving circuit in response to each operating mode. The logic operating unit performs a logic operation on the logic functions of at least two magnetic memory cells defined according to each of the operating modes and generates a result of logic operation.
摘要:
A fixing unit which enables high-speed operation and miniaturization, and an image forming apparatus having the fixing unit, includes a heating member which is heated by a heat source, the heating member having a predetermined width; a rotating member to rotate in contact with the heating member; a driving member to rotate the rotating member; and a pressing member to press both sides of the heating member towards the driving member and to form a predetermined fixing nip between the rotating member and the driving member, wherein the heating member has a second moment of inertia which is set to maintain a fixing efficiency of 90% or more in a central portion of the heating member.
摘要:
An image apparatus and a method for receiving a video signal are provided. The image apparatus includes dedicated input terminals for receiving only particular video signals, and a common input terminal for receiving diverse video signals, and determines the format of video signals input through a corresponding input terminal and then displays the determined format on a screen. Accordingly, the number of input terminals can be reduced and the user can identify the format of the video signal input through the common input terminal
摘要:
A magnetic random access memory (MRAM) includes a memory cell having a first transistor and a first magnetic tunneling junction (MTJ) layer, and a reference cell operable as a basis when reading data stored in the memory cell, the reference cell including second and third MTJ layers arranged in parallel to each other, and a second transistor connected in series to each of the second and third MTJ layers, the second transistor having a driving capability corresponding to twice a driving capability of the first transistor of the memory cell.
摘要:
MTJ cell based logic circuits and MTJ cell drivers having improved operating speeds compared to the conventional art, and operating methods thereof are described. An MTJ cell driver may include a lower electrode, an MTJ cell on the lower electrode, an upper electrode on the MTJ cell, and first through third input lines arranged in parallel above the upper electrode