Semiconductor storage device having a plurality of stacked...

Details Semiconductor storage device having a plurality of stacked... Semiconductor storage device having a plurality of stacked...

2006-03-30

2008-12-16

Mai, Son L (Department: 2827)

Static information storage and retrieval

Format or disposition of elements

C365S063000, C257S686000, C257S777000

Reexamination Certificate

active

07466577

ABSTRACT:
A semiconductor storage employs a base substrate (101) having a command/address external terminal group (CA), a data input/output external terminal group (DQ), and a single chip select external terminal (CS), and also comprises a plurality of memory chips (110) to (113) mounted on a base substrate (101), each of which can individually carry out read and write operations. The terminals (CA), (DQ), and (CS) are connected to an interface chip (120). The interface chip (120) has a chip select signal generation circuit that can individually activate a plurality of memory chips (110) to (113) on the basis of an address signal fed by way of the terminal (CA) and on the basis of a chip select signal fed by way of the terminal (CS).

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