Invention Grant
- Patent Title: Interpolator and interpolation cells with non-uniform driving capabilities therein
- Patent Title (中): 具有不均匀驱动能力的插值单元和内插单元
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Application No.: US13747012Application Date: 2013-01-22
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Publication No.: US09306551B2Publication Date: 2016-04-05
- Inventor: Yi-Hsien Cho , Kuan-Hua Chao
- Applicant: MediaTek Inc.
- Applicant Address: TW Hsin-Chu
- Assignee: MEDIATEK INC.
- Current Assignee: MEDIATEK INC.
- Current Assignee Address: TW Hsin-Chu
- Agency: McClure, Qualey & Rodack, LLP
- Main IPC: H03K3/00
- IPC: H03K3/00 ; H03K5/13 ; H03K5/134

Abstract:
An interpolator includes interpolation cells. Each interpolation cell includes a first driving unit and a second driving unit. The first driving unit includes a first pulling-up circuit for selectively coupling an output terminal to a high voltage, a first pulling-down circuit for selectively coupling the output terminal to a low voltage, and a pair of first switches for selectively enabling/disabling the first pulling-up circuit and the first pulling-down circuit. The second driving unit includes a second pulling-up circuit for selectively coupling the output terminal to the high voltage, a second pulling-down circuit for selectively coupling the output terminal to the low voltage, and a pair of second switches for selectively enabling/disabling the second pulling-up circuit and the second pulling-down circuit. Driving capabilities of the first and second pulling-up circuits are not all equal, and/or driving capabilities of the first and second pulling-down circuits are not all equal.
Public/Granted literature
- US20140203858A1 INTERPOLATOR AND INTERPOLATION CELLS WITH NON-UNIFORM DRIVING CAPABILITIES THEREIN Public/Granted day:2014-07-24
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