G11C7/1009

Apparatuses and methods for simultaneous in data path compute operations
11693561 · 2023-07-04 · ·

The present disclosure includes apparatuses and methods for simultaneous in data path compute operations. An apparatus can include a memory device having an array of memory cells and sensing circuitry selectably coupled to the array. A plurality of shared I/O lines can be configured to move data from the array of memory cells to a first portion of logic stripes and a second portion of logic stripes for in data path compute operations associated with the array. The first portion of logic stripes can perform a first number of operations on a first portion of data moved from the array of memory cells to the first portion of logic stripes while the second portion of logic stripes perform a second number of operations on a second portion of data moved from the array of memory cells to the second portion of logic stripes during a first time period.

Apparatuses and methods to mask write operations for a mode of operation using ECC circuitry
11544010 · 2023-01-03 · ·

An exemplary semiconductor device includes an input/output (I/O) circuit configured to combine data corresponding to a write command received via data terminals with a first subset of corrected read data retrieved from a memory cell array to provide write data. The exemplary semiconductor device further includes a write driver circuit configured to mask a write operation of a first bit of the write data that corresponds to a bit of the first subset of the read data and to perform a write operation for a second bit of the write data that corresponds to the data received via the data terminals.

HYBRID LIBRARY LATCH ARRAY
20220366945 · 2022-11-17 ·

A static random access memory (SRAM) includes fast SRAM bit cells and fast multiplexer circuits that are formed in a first row of fast cells in a hybrid standard cell architecture. Slow SRAM bit cells and slow multiplexer circuits are formed in a second row of slow cells. The slow multiplexer circuits provide a column output for the fast SRAM bit cells and the fast multiplexer circuits provide a column output for the slow SRAM bit cells. Thus, one SRAM column has fast bit cells and slow multiplexer stages while the adjacent SRAM column has slow bit cells and fast multiplexer stages to thereby provide an improved performance balance when reading the SRAM.

ELECTRONIC DEVICE, OPERATION METHOD OF HOST, OPERATION METHOD OF MEMORY MODULE, AND OPERATION METHOD OF MEMORY DEVICE

An operation method of a memory device, having a plurality of memory cells, includes receiving a partial write command, which includes a partial write enable signal (PWE) and a plurality of mask signals, during a command/address input interval. A data strobe signal is received through a data strobe line after receiving the partial write command Data is received through a plurality of data lines in synchronization with the data strobe signal during a data input interval. A part of the data is stored in the plurality of memory cells based on the plurality of mask signals, in response to the partial write enable signal, during a data write interval.

LATCH BIT CELLS
20220359015 · 2022-11-10 ·

A bit cell of an SRAM implemented using standard cell design rules includes a write portion and a read portion. The write portion includes a pass gate coupled to an input node of the bit cell and supplies data on the input node to a first node of the bit cell while write word line signals are asserted. An inverter is coupled to the first node and supplies inverted data. A keeper circuit that is coupled to the inverter maintains the data on the first node when the write word line signals are deasserted. The read portion of the bit cell receives read word line signals and the inverted data and is responsive to assertion of the read word line signals to supply an output node of the read portion of the bit cell with output data that corresponds to the data on the first node.

PROGRAMMING TECHNIQUES FOR POLARITY-BASED MEMORY CELLS
20230034787 · 2023-02-02 ·

Methods, systems, and devices for programming techniques for polarity-based memory cells are described. A memory device may use a first type of write operation to program one or more memory cells to a first state and a second type of write operation to program one or more memory cells to a second state. Additionally or alternatively, a memory device may first attempt to use the first type of write operation to program one or more memory cells, and then may use the second type of write operation if the first attempt is unsuccessful.

MEMORY DEVICE RELATED TO PERFORMING A COLUMN OPERATION
20230037073 · 2023-02-02 · ·

A memory device includes an external information input circuit configured to generate a burst mode signal and a write command pulse for a write operation, by receiving external information for the write operation; and a write operation control circuit configured to generate a write control pulse for storing internal data in a cell array, from the write command pulse when a first burst mode is performed on the basis of the burst mode signal, and to control whether to generate the write control pulse from the write command pulse when a second burst mode is performed on the basis of the burst mode signal.

Write Assist for a Memory Device and Methods of Forming the Same
20220351773 · 2022-11-03 ·

A semiconductor memory device includes an array of memory cells arranged in a plurality of rows and columns, with each memory cell including a plurality of bit cell transistors. The semiconductor memory device further includes a plurality of write assist circuits, including one or more write assist circuits within each column of the array of memory cells, each write assist circuit configured to provide a core voltage to memory cells within the same column and to reduce the core voltage during a write operation. The array of memory cells and the plurality of write assist circuits have a common semiconductor layout.

Ghost command suppression in a half-frequency memory device

A memory device includes a command interface configured to receive a two-cycle command from a host device via multiple command address bits. The memory device also includes a command decoder configured to decode a first portion of the multiple command address bits in a first cycle of the two-cycle command. The command decoder includes mask circuitry. The mask circuitry includes mask generation circuitry configured to generate a mask signal. The mask circuitry also includes multiplexer circuitry configured to apply the mask signal to block the command decoder from decoding a second portion of the multiple command address bits in a second cycle of the two-cycle command.

ON-THE-FLY PROGRAMMING AND VERIFYING METHOD FOR MEMORY CELLS BASED ON COUNTERS AND ECC FEEDBACK

The present invention relates to a method of operating memory cells, comprising reading a previous user data from the memory cells; writing a new user data and merging the new user data with the previous user data into write registers; generating mask register information, and wherein the mask register information indicates bits of the previous user data stored in the memory cells to be switched or not to be switched in their logic values; counting numbers of a first logic value and a second logic value to be written using the mask register information, respectively; storing the numbers of the first logic value and the second logic value into a first counter and a second counter, respectively; and applying a programming pulse to the memory cells according to the mask register information.