Resistor devices and digital-to-analog converters using the same
AssigneeSamsung Electronics Co., Ltd.
InventorsHyun-sik Choi, Ho-jung Kim, Hyung-su Jeong
Life of this patent
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Abstract
A digital-to-analog converter (DAC) includes: a plurality of first controllers and a plurality of resistor devices. The plurality of first controllers are configured to be selectively switched on according to a received digital signal to control an analog signal according to the received digital signal. The plurality of resistor devices are respectively connected to the plurality of first controllers. The plurality of resistor devices include non-volatile memory devices.
Claims21
A digital-to-analog converter (DAC) comprising:
- a plurality of first controllers configured to be selectively switched on according to a received digital signal to control an analog signal corresponding to the digital signal;
- and
- a plurality of resistor devices respectively connected to the plurality of first controllers, the plurality of resistor devices including non-volatile memory devices;
- wherein the DAC generates the analog signal by allowing a current to flow through the plurality of resistor devices according to the received digital signal and summing the current, or by applying a voltage to terminals of each of the plurality of resistor devices and summing the applied voltage.
A digital-to-analog converter (DAC) configured to convert a digital signal into an analog signal, the DAC comprising:
- a plurality of first controllers configured to control a plurality of analog signal parts according to a plurality of bits of a received digital signal;
- and
- a plurality of resistor devices respectively connected to the plurality of first controllers;
- wherein
- at least one of the plurality of resistor devices includes a resistor block having a plurality of non-volatile memory devices connected to one another in a matrix.
A resistor device of a semiconductor circuit, comprising:
- at least one resistor block including a plurality of first non-volatile memory devices connected in parallel with one another and connected to a plurality of second non-volatile memory devices;
- wherein
- the plurality of first non-volatile memory devices are connected between first and second nodes of the semiconductor circuit, and
- the plurality of second non-volatile memory devices are directly connected to the first and second nodes of the semiconductor circuit.
Dependencies are inferred from the claim text.