Invention Grant
- Patent Title: Fusible link cell with dual bit storage
-
Application No.: US15146049Application Date: 2016-05-04
-
Publication No.: US09824769B2Publication Date: 2017-11-21
- Inventor: Sunil Kumar Dusa , Richard Allen Bailey , Archana Venugopal , John Anthony Rodriguez , Michael Allen Ball
- Applicant: Texas Instruments Incorporated
- Applicant Address: US TX Dallas
- Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee Address: US TX Dallas
- Agent Kenneth Liu; Charles A. Brill; Frank D. Cimino
- Main IPC: G11C17/18
- IPC: G11C17/18 ; G11C17/16

Abstract:
A fuse-programmable register or memory location having a plurality of fusible links of differing electrical characteristics in parallel. In one embodiment, three fusible links with different resistances are provided, such that application of a programming voltage non-uniformly distributes the current among the links, allowing varying voltages to selectively blow one or more of the links. Sensing of the programmed state is performed by applying a voltage across the parallel links and measuring the current in comparison with a plurality of reference currents. Reduction in the overhead chip area per bit and in the serial data communication latency are obtained.
Public/Granted literature
- US20170018311A1 Fusible Link Cell with Dual Bit Storage Public/Granted day:2017-01-19
Information query