Abstract:
A semiconductor memory device includes a command decoder configured to generate an auto-sync signal in response to a command for writing data at a memory cell or reading data from a memory cell, and an internal data clock generating circuit configured to phase synchronize a second clock, having a clock frequency higher than a clock frequency of a first clock, with the first clock in response to the auto-sync signal.
Abstract:
A semiconductor memory device includes a command decoder configured to generate an auto-sync signal in response to a command for writing data at a memory cell or reading data from a memory cell, and an internal data clock generating circuit configured to phase synchronize a second clock, having a clock frequency higher than a clock frequency of a first clock, with the first clock in response to the auto-sync signal.
Abstract:
A semiconductor memory device includes a command decoder configured to generate an auto-sync signal in response to a command for writing data at a memory cell or reading data from a memory cell, and an internal data clock generating circuit configured to phase synchronize a second clock, having a clock frequency higher than a clock frequency of a first clock, with the first clock in response to the auto-sync signal.
Abstract:
A semiconductor memory device includes a command decoder configured to generate an auto-sync signal in response to a command for writing data at a memory cell or reading data from a memory cell, and an internal data clock generating circuit configured to phase synchronize a second clock, having a clock frequency higher than a clock frequency of a first clock, with the first clock in response to the auto-sync signal.
Abstract:
A semiconductor die includes a first pin configured to output a first on-die termination (ODT) control signal to a second semiconductor die, the second semiconductor die comprising a plurality of second ODT circuits each having an ODT that is responsive to the first ODT control signal; and a second pin configured to receive a second ODT control signal output from the second semiconductor die, the semiconductor die comprising a plurality of first ODT circuits each having an ODT that is responsive to the second ODT control signal.
Abstract:
A memory system that controls latency for a plurality of clock signals and outputs at least one of read data and write data includes a memory controller configured to receive a data output command from a host, generate a plurality of clock signals for outputting data, and control latency of the plurality of clock signals, and an input/output (I/O) circuit configured to output data based on the clock signals having the controlled latency.
Abstract:
A semiconductor memory device includes a command decoder configured to generate an auto-sync signal in response to a command for writing data at a memory cell or reading data from a memory cell, and an internal data clock generating circuit configured to phase synchronize a second clock, having a clock frequency higher than a clock frequency of a first clock, with the first clock in response to the auto-sync signal.
Abstract:
A semiconductor die includes a first pin configured to output a first on-die termination (ODT) control signal to a second semiconductor die, the second semiconductor die comprising a plurality of second ODT circuits each having an ODT that is responsive to the first ODT control signal; and a second pin configured to receive a second ODT control signal output from the second semiconductor die, the semiconductor die comprising a plurality of first ODT circuits each having an ODT that is responsive to the second ODT control signal.
Abstract:
A memory device includes a divide circuit configured to generate an internal data clock signal based on a data clock signal, wherein the data clock signal has a first voltage level for a first time period and toggles during a second time period consecutive to the first time period, a detect circuit configured to generate a feedback data corresponding to the first voltage level based on the internal data clock signal, and an input/output circuit configured to output the feedback data to an external device.
Abstract:
A semiconductor memory device includes a command decoder configured to generate an auto-sync signal in response to a command for writing data at a memory cell or reading data from a memory cell, and an internal data clock generating circuit configured to phase synchronize a second clock, having a clock frequency higher than a clock frequency of a first clock, with the first clock in response to the auto-sync signal.