Importance

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Abstract

A memory device standby procedure can include idling a first memory device in a low-power standby mode, the first memory device coupled to a memory interface that couples multiple memory devices to a host and includes a command line (CA) and a standby exit line (EX), and the first memory device can include a primary die coupled to multiple secondary dies using an intra-package bus. At the first memory device, the procedure can include waking receiver circuitry on the primary die in response to a state change on the standby exit line, and sampling the command line using logic circuitry on the primary die. When a wakeup message on the command line comprises a chip identification that corresponds to the first memory device, the procedure can include initiating a standby exit procedure for the first memory device.

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First Claim