Buffer, semiconductor apparatus and semiconductor system using the same
First Claim
1. A buffer of a semiconductor apparatus comprising:
- a first sensing unit configured to sense data input from an outside of the semiconductor apparatus;
a second sensing unit configured to generate equalization control signals according to outputs of the first sensing unit;
an equalization delay compensation unit configured to generate delay-compensated equalization control signals by compensating the equalization control signals for signal processing delay times of the equalization control signals; and
a noise removal unit configured to primarily remove noise of the output signals of the first sensing unit according to the equalization control signals, and secondarily remove noise of the output signals of the first sensing unit according to the delay-compensated equalization control signals,wherein the noise removal unit is coupled between the first sensing unit and the second sensing unit in parallel.
1 Assignment
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Accused Products
Abstract
A buffer may include a first sensing unit configured to sense data, and a second sensing unit configured to generate equalization control signals according to outputs of the first sensing unit. The buffer may include an equalization delay compensation unit configured to compensate the equalization control signals for signal processing delay times of the equalization control signals, and generate delay-compensated equalization control signals. The buffer may include a noise removal unit configured to primarily remove noise of the output signals of the first sensing unit according to the equalization control signals, and secondarily remove noise of the output signals of the first sensing unit according to the delay-compensated equalization control signals.
9 Citations
21 Claims
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1. A buffer of a semiconductor apparatus comprising:
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a first sensing unit configured to sense data input from an outside of the semiconductor apparatus; a second sensing unit configured to generate equalization control signals according to outputs of the first sensing unit; an equalization delay compensation unit configured to generate delay-compensated equalization control signals by compensating the equalization control signals for signal processing delay times of the equalization control signals; and a noise removal unit configured to primarily remove noise of the output signals of the first sensing unit according to the equalization control signals, and secondarily remove noise of the output signals of the first sensing unit according to the delay-compensated equalization control signals, wherein the noise removal unit is coupled between the first sensing unit and the second sensing unit in parallel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A semiconductor apparatus comprising:
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a core block including a cell array; a first buffer configured to sense data input from an outside of the semiconductor apparatus, primarily remove noise of sensed signals according to equalization control signals, and secondarily remove noise of the sensed signals according to delay-compensated equalization control signals; a data path coupled with the first buffer; a second buffer configured to sense a data strobe signal; a strobe signal path coupled with the second buffer; a latch block configured to latch data having passed through the data path, according to the data strobe signal having passed through the strobe signal path, and provide resultant data to the core block, and the first buffer further comprising; a noise removal unit; a first sensing unit; and a second sensing unit, wherein the noise removal unit is coupled between the first sensing unit and the second sensing unit in parallel. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A buffer of a semiconductor apparatus comprising:
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a first sensing unit configured to sense data input from an outside of the semiconductor apparatus; a second sensing unit configured to generate equalization control signals according to outputs of the first sensing unit; an equalization delay compensation unit configured to generate delay-compensated equalization control signals by compensating the equalization control signals for signal processing delay times of the equalization control signals; and a noise removal unit configured to remove noise of the output signals of the first sensing unit according to the equalization control signals and the delay-compensated equalization control signals, wherein the noise removal unit is coupled between the first sensing unit and the second sensing unit in parallel. - View Dependent Claims (20, 21)
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Specification