G11C5/063

MEMORY DEVICE AND METHOD FOR FABRICATING SAME
20230049648 · 2023-02-16 ·

Embodiments provide a memory device and a method for fabricating the same, relating to the field of semiconductor technology. The method includes: forming buried gate structures in a first direction in a substrate; patterning the substrate, cutting off the buried gate structures, and forming active structures arranged at parallel intervals and isolation grooves between the active structures in a second direction, where the active structures are island-shaped columnar bodies, and the active structures include the buried gate structures; forming isolation structures in the isolation grooves, where surfaces of the isolation structures are flush with surfaces of the active structures; and forming conductive word lines in the first direction on the surfaces of isolation structures and the surfaces of the active structures, where the conductive word lines cover upper surfaces of the buried gate structures in the active structures.

SEMICONDUCTOR PACKAGE AND METHOD OF MANUFACTURING THE SEMICONDUCTOR PACKAGE

A semiconductor package includes a semiconductor package includes first, second, third and fourth semiconductor chips sequentially stacked on one another. Each of the first, second, third and fourth semiconductor chips includes a first group of bonding pads and a second group of bonding pads alternately arranged in a first direction and input/output (I/O) circuitry selectively connected to the first group of bonding pads respectively. Each of the first, second and third semiconductor chips includes a first group of through electrodes electrically connected to the first group of bonding pads and a second group of through electrodes electrically connected to the second group of bonding pads.

MEMORY DEVICE USING SEMICONDUCTOR ELEMENT
20230046083 · 2023-02-16 ·

A memory device includes a page made up of plural memory cells arranged in a column on a substrate, and a page write operation is performed to hold positive hole groups generated by an impact ionization phenomenon, in a channel semiconductor layer by controlling voltages applied to a first gate conductor layer, a second gate conductor layer, a first impurity region, and a second impurity region of each memory cell contained in the page and a page erase operation is performed to remove the positive hole groups out of the channel semiconductor layer by controlling voltages applied to the first gate conductor layer, the second gate conductor layer, the first impurity region, and the second impurity region. The first impurity layer of the memory cell is connected with a source line, the second impurity layer is connected with a bit line, one of the first gate conductor layer and the second gate conductor layer is connected with a word line, and another is connected with a drive control line; during the write operation after the page erase operation, the positive hole group is formed in the channel semiconductor layer by an impact ionization phenomenon by controlling voltages applied to the word line, the drive control line, the source line, and the bit line; and an applied voltage/applied voltages of one or both of the word line and the drive control line is/are lowered with drops in a first threshold voltage of the first gate conductor layer and a second threshold voltage of the second gate conductor layer.

MEMORY DEVICE FOR WAFER-ON-WAFER FORMED MEMORY AND LOGIC

A memory device includes an array of memory cells configured on a die or chip and coupled to sense lines and access lines of the die or chip and a respective sense amplifier configured on the die or chip coupled to each of the sense lines. Each of a plurality of subsets of the sense lines is coupled to a respective local input/output (I/O) line on the die or chip for communication of data on the die or chip and a respective transceiver associated with the respective local I/O line, the respective transceiver configured to enable communication of the data to one or more device off the die or chip.

SEMICONDUCTOR MEMORY DEVICE
20230044856 · 2023-02-09 ·

A semiconductor memory device including a substrate including an active pattern that includes a first source/drain region and a second source/drain region; an insulating layer on the substrate; a line structure on the insulating layer and extending in a first direction to cross the active pattern, the line structure penetrating the insulating layer on the first source/drain region and including a bit line electrically connected to the first source/drain region; and a contact spaced apart from the line structure and electrically connected to the second source/drain region, wherein the bit line includes a first portion vertically overlapped with the first source/drain region; and a second portion vertically overlapped with the insulating layer, and wherein a lowermost level of a top surface of the first portion of the bit line is at a level lower than a lowermost level of a top surface of the second portion of the bit line.

Memory array structures and methods for determination of resistive characteristics of access lines

Memory array structures providing for determination of resistive characteristics of access lines might include a first block of memory cells, a second block of memory cells, a first current path between a particular access line of the first block of memory cells and a particular access line of the second block of memory cells, and, optionally, a second current path between the particular access line of the second block of memory cells and a different access line of the first block of memory cells. Methods for determining resistive characteristics of access lines might include connecting the particular access line of the first block of memory cells to a driver, and determining the resistive characteristics in response to a current level through that access line and a voltage level of that access line.

MEMORY DEVICE USING SEMICONDUCTOR ELEMENT
20230011973 · 2023-01-12 ·

A P layer 2 having a band shape is on an insulating substrate 1. An N.sup.+ layer 3a connected to a first source line SL1 and an N.sup.+ layer 3b connected to a first bit line are on respective sides of the P layer 2 in a first direction parallel to the insulating substrate. A first gate insulating layer 4a surrounds a portion of the P layer 2 connected to the N.sup.+ layer 3a, and a second gate insulating layer 4b surrounds the P layer 2 connected to the N.sup.+ layer 3b. A first gate conductor layer 5a connected to a first plate line and a second gate conductor layer 5b connected to a second plate line are isolated from each other and cover two respective side surfaces of the first gate insulating layer 4a in a second direction perpendicular to the first direction. A third gate conductor layer 5c connected to a first word line surrounds the second gate insulating layer 4b. These components constitute a dynamic flash memory.

MEMORY DEVICE USING SEMICONDUCTOR ELEMENT
20230039991 · 2023-02-09 ·

An n.sup.+ layer 3a connected to a source line SL at both ends, an n.sup.+ layer 3b connected to a bit line BL, a first gate insulating layer 4a formed on a semiconductor substrate 1 existing on an insulating film 2, a gate conductor layer 16a connected to a plate line PL, a gate insulating layer 4b formed on the semiconductor substrate, and a second gate conductor layer 5b connected to a word line WL and having a work function different from a work function of the gate conductor layer 16a are disposed on the semiconductor substrate, and data hold operation of holding, near a gate insulating film, holes generated by an impact ionization phenomenon or gate-induced drain leakage current inside a channel region 12 of the semiconductor substrate 1 and data erase operation of removing the holes from inside the substrate 1 and the channel region 12 are performed by controlling voltage applied to the source line SL, the plate line PL, the word line WL, and the bit line BL.

THREE-DIMENSIONAL MEMORY DEVICE WITH SEPARATED CONTACT REGIONS AND METHODS FOR FORMING THE SAME

A memory die includes an alternating stack of insulating layers and electrically conductive layers through which memory opening fill structures vertically extend. The memory die includes at least three memory array regions interlaced with at least two contact regions, or at least three contact regions interlaced with at least two memory array regions in the same memory plane. A logic die including at least two word line driver regions can be bonded to the memory die. The interlacing of the contact regions and the memory array regions can reduce lateral offset of boundaries of the word line driver regions from boundaries of the contact regions.

MEMORY CONTROLLER

A memory controller component includes transmit circuitry and adjusting circuitry. The transmit circuitry transmits a clock signal and write data to a DRAM, the write data to be sampled by the DRAM using a timing signal. The adjusting circuitry adjusts transmit timing of the write data and of the timing signal such that an edge transition of the timing signal is aligned with an edge transition of the clock signal at the DRAM.