Thomas, Kayden, Horstemeyer & Risley
High-speed receiver for high I/O voltage and low core voltage
A receiver circuit. A reference voltage circuit is supplied with a first power supply voltage for outputting a reference voltage that is a mid-point voltage between the first power supply voltage and ground. A reference current circuit generates a first current according to the reference voltage. A receiving circuit is supplied with a second power supply voltage higher than the first power supply voltage, including a first current source for generating a second current according to the first current, and a differential amplifier circuit for generating an output signal contained within a voltage range of the first power supply voltage and centered around the mid-point voltage of the first power supply voltage according to the second current.
Taiwan Semiconductor Manufacturing Co., Ltd.
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Wen-Tai
Wang