Device identification assignment and total device number detection

摘要

Various embodiments comprise apparatuses to assign a respective one of a sequence of unique device identification (ID) values to each die in a stacked device. In an embodiment, each die may include a respective assignment device to operate on an input and generate, as an output, the respective one of the sequence of the unique device ID values. Each die may also include a respective evaluation device to detect a total number of dice in the stack. Additional apparatuses and methods are described.

主权项

1. An apparatus comprising N multiple dice in a stacked device, the apparatus comprising:
an assignment device included in each of at least N−1 of the N multiple dice in the stacked device to generate a sequence of unique device identification (ID) values for at least the N−1 dice, the assignment device to operate on an input provided by a prior one of the N multiple dice for at least the N−1 dice and generate, as an output, one of the sequence of unique device identification (ID) values for the N multiple dice, a first of the N multiple dice not requiring a separate, external device to generate a first in the sequence of unique device ID values, each of the N multiple dice being addressable dice; and an evaluation device in at least a plurality of the N multiple dice to detect a total number of the dice in the stack.