Reconfigurable circuit, storage device, and electronic device including storage device

Patent metadata

Field	Value
Publication number	US-9515656-B2
Application number	US-201414526720-A
Country	US
Kind code	B2
Filing date	Oct 29, 2014
Priority date	Nov 1, 2013
Publication date	Dec 6, 2016
Grant date	Dec 6, 2016

Abstract

A reconfigurable circuit suitable for a redundant circuit of a storage device is provided. A programmable logic element (PLE) includes k logic circuits (e.g., XNOR circuits), k configuration memories (CM), and another logic circuit (e.g., an AND circuit) to which the outputs of the k logic circuits are input. The output of the AND circuit represents whether k input data of the PLE all correspond to configuration data stored in the k CMs. For example, when the address of a defective block in the storage device is stored in the CM and address data of the storage device the access of which is requested is input to the PLE, whether the defective block is accessible can be determined from the output of the AND circuit.

First claim

What is claimed is:

1. A reconfigurable circuit comprising:
at least one programmable logic element, the programmable logic element comprising:
first to k-th logic circuits, where k is an integer of two or more;
first to k-th configuration memories;
a programmable look-up table;
a register; and
a multiplexer,

wherein the register is configured to store data output from the programmable look-up table,
wherein the multiplexer is configured to select and output data ou…

Assignees

• Semiconductor Energy Lab

Inventors

• Kurokawa Yoshiyuki

Classifications

• H03K19/017581

  Electricity · mapped topic

• H03K19/1776

  Electricity · mapped topic

• H03K19/17728

  Electricity · mapped topic

• H03K19/1737

  Electricity · mapped topic

• H03K19/20

  Electricity · mapped topic