IP Library Granted Patent US 8,848,473
Granted Patent B2
US 8,848,473 · App. 14/088,242 · Granted Sep 30, 2014

Semiconductor device and test method thereof

Inventor: Naohisa Nishioka (Tokyo, JP)
Assignee: PS4 Luxco S.A.R.L.
G11C29/08G11C2029/4402G11C29/26G11C16/20G11C7/1072G11C2029/2602G11C11/4093H01L2224/16145
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Quick Facts
Patent No.
US 8,848,473
App. No.
14/088,242
Granted
Sep 30, 2014
Kind
B2
Abstract

A semiconductor chip includes a memory array including a plurality of memory cells, a plurality of terminals including a plurality of test terminals to output a result of a specific test, and a circuit that outputs the result to a selected one of the plurality of test terminals based on a chip identification data.

Claims (9)

1. A semiconductor chip comprising:

a memory array including a plurality of memory cells;

a plurality of terminals including a plurality of test terminals to output a result of a specific test; and

a circuit that outputs the result to a selected one of the plurality of test terminals based on a chip identification data.

2. The semiconductor chip according to claim 1 , wherein the chip identification data is supplied from outside of the semiconductor chip.

3. The semiconductor chip according to claim 1 , wherein the result includes a result of a test for memory array.

4. The semiconductor chip according to claim 1 , wherein the plurality of terminals includes a plurality of through silicon vias.

5. The semiconductor chip according to claim 4 , wherein at least one of the plurality of through silicon vias provides current paths between a first terminal formed on a first surface of the semiconductor chip and a second terminal formed on a second surface opposite to the first surface of the semiconductor chip.

6. The semiconductor chip according to claim 1 , further comprising a chip identification data generating circuit generating the chip identification data in response to a data supplied from outside of the semiconductor chip.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 21, 2018
From: LONGITUDE SEMICONDUCTOR S.A.R.L.
To: LONGITUDE LICENSING LIMITED
Reel/Frame 046865/0667 →
CHANGE OF NAME Recorded Aug 24, 2016
From: PS5 LUXCO S.A.R.L.
To: LONGITUDE SEMICONDUCTOR S.A.R.L.
Reel/Frame 039793/0880 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 24, 2016
From: PS4 LUXCO S.A.R.L.
To: PS5 LUXCO S.A.R.L.
Reel/Frame 039818/0506 →
Priority Claims (1)
JP 2010-230332 · Oct 13, 2010 · national
Continuity (2)
Continuation 13137969 · Sep 22, 2011
Related Publication 20140078843A1 · Mar 20, 2014