US Patent Application 18366191. MEMORY DEVICE WITH CONTENT ADDRESSABLE MEMORY UNITS simplified abstract

MEMORY DEVICE WITH CONTENT ADDRESSABLE MEMORY UNITS

Organization Name

TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.

Inventor(s)

Katherine H. Chiang of New Taipei City (TW)

MEMORY DEVICE WITH CONTENT ADDRESSABLE MEMORY UNITS - A simplified explanation of the abstract

This abstract first appeared for US patent application 18366191 titled 'MEMORY DEVICE WITH CONTENT ADDRESSABLE MEMORY UNITS

Simplified Explanation

The patent application is for a memory device that uses content addressable memory (CAM) units to store data states.

• The memory device consists of multiple CAM units arranged in rows and columns.
• Each CAM unit includes a ferroelectric memory element, word lines, and match lines.
• The word lines provide search queries to the CAM units for bitwise comparison with the stored data states.
• The match lines output match signals from each column of CAM units.
• A match signal is asserted when the data states of the CAM units in a column match the corresponding bits of the search query.

Original Abstract Submitted

In some embodiments, the present disclosure relates to a memory device, including a plurality of content addressable memory (CAM) units arranged in rows and columns and configured to store a plurality of data states, respectively. A CAM unit of the plurality of CAM units includes a first ferroelectric memory element, a plurality of word lines extending along the rows and configured to provide a search query to the plurality of CAM units for bitwise comparison between the search query and the data states of the plurality of CAM units, and a plurality of match lines extending along the columns and configured to output a plurality of match signals, respectively from respective columns of CAM units. A match signal of a column is asserted when the data states of the respective CAM units of the column match corresponding bits of the search query.