Apparatuses, systems, and methods for data timing alignment with fast alignment mode
AssigneeMicron Technology, Inc.
InventorsBaokang Wang, Chiaki Dono, Takuya Miyagi
Life of this patent
Estimating the term…
Loading patent…
AssigneeMicron Technology, Inc.
InventorsBaokang Wang, Chiaki Dono, Takuya Miyagi
Estimating the term…
Apparatuses, systems, and methods for data timing alignment with fast alignment mode. A stacked memory device includes an interface die and a number of core die. The interface and the core die each have an adjustable delay circuit adjusted by an interface delay code or a respective core delay code. The delay codes are adjusted based on a measured phase difference along a replica path. In a default maintenance state, the delay codes may be adjusted based on an average of the phase differences over time. Each time the phase difference matches a previous phase difference, the interface die changes a count value associated with that core die. If one or more of the count values cross a threshold, a state machine of the interface die enters a different delay adjustment state where averaging is not used. This may allow for correction of systemic errors such as voltage drift.
An apparatus comprising:
An apparatus comprising:
A method comprising:
Dependencies are inferred from the claim text.