摘要:
A semiconductor memory device includes a one-transistor (1-T) field effect transistor (FET) type memory cell connected between a pair of bit lines, and controlled by a word line, where a different channel resistance is induced to a channel region depending on a polarity state of a ferroelectric layer. The device includes a plurality of word lines arranged in a row direction, a plurality of bit lines arranged in a column direction, a pair of clamp dummy lines arranged in the column direction, a pair of reference dummy lines arranged in the column direction, a cell array including the memory cell and formed in a region where the word line and the bit line are crossed, a dummy cell array including the memory cell and formed where the word line, the pair of claim dummy lines and the pair of reference dummy lines are crossed, and a sense amplifier and a write driving unit connected to the bit line and configured to receive a clamp voltage and a reference voltage.
摘要:
A phase change memory device includes a plurality of word lines arranged in a row direction and a plurality of bit lines arranged in a column direction. A plurality of reference bit line and a plurality of clamp bit lines are arranged in the column direction. A cell array block including a phase change resistance cell is arranged where a word line and a bit line intersect. A reference cell array block is formed where a word line and the reference bit line intersect. The reference cell array block is configured to output a reference current. A clamp cell array block is formed where a word line and a clamp bit line intersect. The clamp cell array block is configured to output a clamp current. A sense amplifier is connected to each of the bit lines and is configured to receive a clamp voltage and a reference voltage.
摘要:
A one-transistor type DRAM including a floating body storage element connected between a bit line and a source line and controlled by a word line comprises a plurality of source lines and word lines arranged in a row direction, a plurality of bit lines arranged in a column direction, a plurality of clamp bit lines and reference bit lines arranged in a column direction, a cell array including the floating body storage element and formed in a region where the source line, the word line and the bit line are crossed, a clamp cell array including the floating body storage element and formed in a region where the source line, the word line and the bit line are crossed, a reference cell array including the floating body storage element and formed in a region where the source line, the word line and the bit line are crossed, and a sense amplifier and a write driving unit connected to the bit line and configured to receive a clamp voltage and a reference voltage.
摘要:
A RFID device having an analog block, a digital block, and a memory block having a nonvolatile ferroelectric memory is presented. The analog block is configured to receive a radio frequency signal so as to output an operating command signal. The digital block is configured to generate and output an address and an operation adjusting signal in response to the operating command signal. The digital block is also configured to output a response signal to the analog block and to generate a flag data corresponding to a data processing state and value. The memory block is configured to read and write a data in a nonvolatile ferroelectric capacitor in response to the operation adjusting signal. The memory block includes a memory unit configured to store the flag data so as to output the flag data to the digital block.
摘要:
A RFID device having a nonvolatile ferroelectric memory includes an analog block. A power-on reset unit configured to sense a power voltage and output a power sensing signal is included in the analog block. A radio frequency signal sensing unit is configured to sense the level of a detecting signal corresponding to a radio frequency signal received by the antenna of the RFID device and outputs a radio frequency sensing signal. A power-on reset mixer is configured to synthesize the power sensing signal and the radio frequency sensing signal and outputs a power-on reset signal according to the voltage levels of the power sensing signal and the radio frequency sensing signal.
摘要:
A one-transistor type DRAM including a floating body storage element connected between a bit line and a source line and controlled by a word line comprises a plurality of source lines and word lines arranged in a row direction, a plurality of bit lines arranged in a column direction, a plurality of clamp bit lines and reference bit lines arranged in a column direction, a cell array including the floating body storage element and formed in a region where the source line, the word line and the bit line are crossed, a clamp cell array including the floating body storage element and formed in a region where the source line, the word line and the bit line are crossed, a reference cell array including the floating body storage element and formed in a region where the source line, the word line and the bit line are crossed, and a sense amplifier and a write driving unit connected to the bit line and configured to receive a clamp voltage and a reference voltage.
摘要:
A phase change memory device includes a plurality of word lines arranged in a row direction and a plurality of bit lines arranged in a column direction. A plurality of reference bit line and a plurality of clamp bit lines are arranged in the column direction. A cell array block including a phase change resistance cell is arranged where a word line and a bit line intersect. A reference cell array block is formed where a word line and the reference bit line intersect. The reference cell array block is configured to output a reference current. A clamp cell array block is formed where a word line and a clamp bit line intersect. The clamp cell array block is configured to output a clamp current. A sense amplifier is connected to each of the bit lines and is configured to receive a clamp voltage and a reference voltage.
摘要:
A one-transistor type DRAM includes a floating body storage element connected between a bit line and a source line and controlled by a word line. The DRAM comprises a plurality of source lines and word lines arranged in a row direction, a plurality of bit lines arranged in a column direction, a plurality of reference bit lines arranged in a column direction, a cell array including the floating body storage element and formed in a region where the source line, the word line and the bit line are crossed, a reference cell array including the floating body storage element, formed in a region where the source line, the word line and the bit line are crossed and configured to output a reference current having a plurality of levels, a plurality of reference voltage generating units connected to the reference bit lines and configured to generate a plurality of reference voltages corresponding to the reference current having a plurality of levels, and a sense amplifier and a write driving unit connected to the bit line and configured to receive the plurality of reference voltages.
摘要:
A phase change memory device comprises a cell array unit including a phase change resistance cell disposed in a region where a word line and a bit line are crossed, a sense amplifier configured to sense and amplify data of the phase change resistance cell, a write driving unit configured to supply a write voltage corresponding to data to be written in the cell array unit in response to an enabling signal, and a write verifying control unit controlled by an activation control signal and configured to compare data read through the sense amplifier with the data to be written so as to output the enabling signal.
摘要:
A one-transistor type DRAM includes a floating body storage element connected between a bit line and a source line and controlled by a word line. The DRAM comprises a plurality of source lines and word lines arranged in a row direction, a plurality of bit lines arranged in a column direction, a plurality of reference bit lines arranged in a column direction, a cell array including the floating body storage element and formed in a region where the source line, the word line and the bit line are crossed, a reference cell array including the floating body storage element, formed in a region where the source line, the word line and the bit line are crossed and configured to output a reference current having a plurality of levels, a plurality of reference voltage generating units connected to the reference bit lines and configured to generate a plurality of reference voltages corresponding to the reference current having a plurality of levels, and a sense amplifier and a write driving unit connected to the bit line and configured to receive the plurality of reference voltages.