Invention Grant
- Patent Title: Method and apparatus for read assist to compensate for weak bit
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Application No.: US14603393Application Date: 2015-01-23
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Publication No.: US09281031B2Publication Date: 2016-03-08
- Inventor: Jonathan Tsung-Yung Chang , Cheng Hung Lee , Chung-Cheng Chou , Hung-Jen Liao , Bin-Hau Lo
- Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
- Applicant Address: TW Hsin-Chu
- Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
- Current Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
- Current Assignee Address: TW Hsin-Chu
- Agency: Duane Morris LLP
- Main IPC: G11C17/00
- IPC: G11C17/00 ; G11C7/12 ; G11C7/06 ; G11C11/419 ; G11C11/412

Abstract:
A memory assist apparatus includes a detection circuit and a compensation circuit. The detection circuit is configured to provide a detection signal indicating whether a bit line configured to provide read access to a data bit stored at a memory bit cell has a voltage below a predetermined threshold. The compensation circuit is configured to pull down the voltage of the bit line if the detection signal indicates that the voltage of the bit line is below the predetermined threshold.
Public/Granted literature
- US20150131394A1 METHOD AND APPARATUS FOR READ ASSIST TO COMPENSATE FOR WEAK BIT Public/Granted day:2015-05-14
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