Stacked type semiconductor memory device and chip selection...

Details Stacked type semiconductor memory device and chip selection... Stacked type semiconductor memory device and chip selection...

2006-12-06

2011-12-13

Purvis, Sue A. (Department: 2826)

Active solid-state devices (e.g., transistors, solid-state diode

Housing or package

Multiple housings

C257S678000, C257S684000, C257S685000, C257S777000, C257S773000, C257SE25001, C257SE25013, C257SE23010, C257SE23012, C257SE23079

Reexamination Certificate

active

08076764

ABSTRACT:
A stacked type semiconductor memory device of having a structure in which a plurality of semiconductor chips is stacked and a desired semiconductor chip can be selected by assigning a plurality of chip identification numbers different from each other are individually assigned to the plurality of semiconductor chips comprising: a plurality of operation circuits which is connected in cascade in a stacking order of the plurality of semiconductor chips and outputs the plurality of identification numbers different from each other by performing a predetermined operation; and a plurality of comparison circuits which detects whether or not each the identification number and a chip selection address commonly connected to each the semiconductor chip are equal to each other by comparing them.

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