Invention Application
- Patent Title: DECISION FEEDBACK EQUALIZATION TAPS AND RELATED APPARATUSES AND METHODS
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Application No.: PCT/US2021/072568Application Date: 2021-11-23
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Publication No.: WO2022115849A2Publication Date: 2022-06-02
- Inventor: SONI, Ravish
- Applicant: MICROCHIP TECHNOLOGY INCORPORATED
- Applicant Address: 2355 West Chandler Blvd.
- Assignee: MICROCHIP TECHNOLOGY INCORPORATED
- Current Assignee: MICROCHIP TECHNOLOGY INCORPORATED
- Current Assignee Address: 2355 West Chandler Blvd.
- Agency: BOOTH, Brett C. et al.
- Priority: US63/198,958 2020-11-25
- Main IPC: H04L25/03
- IPC: H04L25/03 ; H03K17/6871 ; H03K5/133 ; H04L2025/03445 ; H04L25/03057 ; H04L25/03146
Abstract:
Decision feedback equalization (DFE) taps and related apparatuses and methods are disclosed. An apparatus includes a first electrically controllable switch, a second electrically controllable switch, and one or more delay elements. The first electrically controllable switch receives a history bit and selectively provides the history bit to gate terminals of first transistors of a DFE tap circuitry. The second electrically controllable switch receives a complementary history bit and selectively provides the complementary history bit to second gate terminals of second transistors of the DFE tap circuitry. The one or more delay elements provide one or more delayed data integration clock signals responsive to one or more data integration clock signals. A complementary delayed data integration clock signal controls switching of the first electrically controllable switch and the second electrically controllable switch.
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