Micron Technology Incorporated

Hang Tian

Chang Wan Ha

Jong Kang

Apparatus facilitating peak power management include a plurality of dies, with each such die comprising an array of memory cells, a controller for performing access operations on the array of memory cells, and a counter configured to be responsive to a clock signal. A particular die of a first subset of dies of the plurality of dies comprises a clock generator for generating the clock signal. Each die of the first subset of dies is configured to be selectively enabled to receive commands in response to a first chip enable signal, and each die of a second subset of dies of the plurality of dies is configured to be selectively enabled to receive commands in response to a second chip enable signal independent of the first chip enable signal, wherein the first subset of dies and the second subset of dies are mutually exclusive.

Power management

Apparatus facilitating peak power management are useful in mitigating excessive current levels within a multi-die package. For example, such apparatus may include an array of memory cells, a controller for performing an access operation on the array of memory cells, an input buffer having an input connected to a clock signal line and having an output, a clock generator for generating an internal clock signal, an output buffer having an input connected to receive the internal clock signal and having an output connected to the clock signal line, and a counter for counting pulses of a particular clock signal selected from a group consisting of the internal clock signal from the clock generator and an external clock signal from the output of the input buffer.

Methods, and apparatus configured to perform such methods, providing peak power management are useful in mitigating excessive current levels within a multi-die package. For example, a method might include generating a clock signal in a particular die of a plurality of dies, counting pulses of the clock signal in a wrap-around counter in each die of the plurality of dies, and pausing an access operation for the particular die of the plurality of dies at a designated point until a value of the wrap-around counter matches an assigned counter value of the particular die.

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Hang Tian