Invention Grant
US09112671B2 Gated ring oscillator-based digital eye width monitor for high-speed I/O eye width measurement
有权
基于门控振荡器的数字眼睛宽度监视器，用于高速I / O眼睛宽度测量
- Patent Title: Gated ring oscillator-based digital eye width monitor for high-speed I/O eye width measurement
- Patent Title (中): 基于门控振荡器的数字眼睛宽度监视器，用于高速I / O眼睛宽度测量
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Application No.: US13976485Application Date: 2012-02-07
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Publication No.: US09112671B2Publication Date: 2015-08-18
- Inventor: Fangxing Wei , Subratakumar Mandal
- Applicant: Fangxing Wei , Subratakumar Mandal
- Applicant Address: US CA Santa Clara
- Assignee: INTEL CORPORATION
- Current Assignee: INTEL CORPORATION
- Current Assignee Address: US CA Santa Clara
- Agency: Carrie A. Boone, P.C.
- International Application: PCT/US2012/024132 WO 20120207
- Main IPC: H03K3/03
- IPC: H03K3/03 ; H04L7/00 ; H03K5/13 ; H03K5/00
Abstract:
A novel digital eye width monitor (DEWM) system and method are disclosed. The DEWM system provides on-die capability to directly measure the left and right eye-width in picoseconds. The DEWM system measures the time from the phase interpolator (PI) clock position (data eye center, left edge, right edge) to a reference clock, and calculates the left and right eye width within a single-digit pico-second level of accuracy.
Public/Granted literature
- US20140204988A1 GATED RING OSCILLATOR-BASED DIGITAL EYE WIDTH MONITOR FOR HIGH-SPEED I/O EYE WIDTH MEASUREMENT Public/Granted day:2014-07-24
Information query
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