Differential receiver
AssigneeNXP USA, Inc.
InventorsXiaowen Wu, Lei Tian, Yongqin Liang
Life of this patent
Estimating the term…
Abstract
One example discloses A differential receiver, including: a set of high voltage differential inputs configured to receive a first range of differential voltages; a first level shifter configured to generate a second range of differential voltages that are less than the first range of differential voltages; and a first low voltage differential comparator coupled to the first level shifter and configured to generate a first differential receiver output based on the second range of differential voltages.
Claims16
A differential receiver, comprising:
- a set of high voltage differential inputs configured to receive a first range of differential voltages;
- a first level shifter configured to generate a second range of differential voltages that are less than the first range of differential voltages;
- a first low voltage differential comparator coupled to the first level shifter and configured to generate a first differential receiver output based on the second range of differential voltages;
- and
- a set of voltage clamps coupled between the first level shifter and the first low voltage differential comparator and configured to limit the second range of differential voltages received by the first low voltage differential comparator.
A differential receiver, comprising:
- a set of high voltage differential inputs configured to receive a first range of differential voltages;
- a level shifter configured to generate a second range of differential voltages that are less than the first range of differential voltages;
- and
- a low voltage differential comparator configured to generate a first differential receiver output based on the second range of differential voltages;
- and
- a set of voltage clamps coupled between the level shifter and the low voltage differential comparator and configured to limit the second range of differential voltages received by the low voltage differential comparator.
A receiving method within a differential receiver having a set of high voltage differential inputs, a first level shifter coupled to the set of differential inputs, and a first low voltage differential comparator coupled to the first level shifter, the method comprising:
- receiving, with a set of high voltage differential inputs, a first range of differential voltages;
- generating, with a level shifter, a second range of differential voltages that are less than the first range of differential voltages;
- generating, with a low voltage differential comparator, a first differential receiver output based on the second range of differential voltages;
- and
- limiting, with a set of voltage clamps coupled between the first level shifter and the first low voltage differential comparator, the second range of differential voltages received by first low voltage differential comparator.
Dependencies are inferred from the claim text.