Invention Grant
- Patent Title: Failsafe ESD protection
- Patent Title (中): 防止ESD保护
-
Application No.: US13557520Application Date: 2012-07-25
-
Publication No.: US09124086B2Publication Date: 2015-09-01
- Inventor: Wei Yu Ma , Kuo-Ji Chen
- Applicant: Wei Yu Ma , Kuo-Ji Chen
- Applicant Address: TW Hsin-Chu
- Assignee: Taiwan Semiconductor Manufacturing Company Limited
- Current Assignee: Taiwan Semiconductor Manufacturing Company Limited
- Current Assignee Address: TW Hsin-Chu
- Agency: Cooper Legal Group, LLC
- Main IPC: H02H9/04
- IPC: H02H9/04

Abstract:
Among other things, one or more techniques and/or systems for providing failsafe electrostatic discharge (ESD) protection are provided. In one embodiment, ESD protection is provided by connecting a voltage fail safe (VFS) supply voltage to an NWELL circuit interface (e.g., of a PMOS transistor) and connecting PAD to at least one of VFS or the NWELL circuit interface. To this end, circuitry to be protected from ESD (e.g., circuitry operably connected to PAD) is provided with failsafe ESD protection (e.g., such that a non-snapback NMOS device may be utilized to discharge ESD current, where a non-snapback NMOS generally consumes less semiconductor real estate and is less complex to produce as compared to a snapback NMOS), for example. In this manner, failsafe ESD protection is efficiently provided.
Public/Granted literature
- US20140029142A1 FAILSAFE ESD PROTECTION Public/Granted day:2014-01-30
Information query