Invention Application
- Patent Title: THREE-DIMENSIONAL THREE-PORT BIT CELL AND METHOD OF ASSEMBLING SAME
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Application No.: US14334935Application Date: 2014-07-18
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Publication No.: US20160019946A1Publication Date: 2016-01-21
- Inventor: Tzu-Kuei LIN , Hung-Jen LIAO , Yen-Huei CHEN , Ching-Wei WU
- Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
- Main IPC: G11C11/419
- IPC: G11C11/419 ; G11C5/02 ; H01L23/522 ; H01L21/768 ; H01L25/065 ; H01L25/00 ; G11C5/06 ; H01L27/11

Abstract:
A three-port, three-dimensional bit cell generally comprises a read portion of a cell disposed on a first tier. The read portion comprises a plurality of read port elements. The three-port bit cell further comprises a write portion of the cell disposed on a second tier that is vertically stacked with respect to the first tier. The first and second tiers are coupled using at least one via. The write portion comprises a plurality of write port elements.
Public/Granted literature
- US10083739B2 Three-dimensional three-port bit cell and method of assembling same Public/Granted day:2018-09-25
Information query
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