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US 2025/0119151 A1Published application
Variable resistor and digital-to-analog converter
AssigneeUnited Microelectronics Corp.
InventorsCheng-Hung Pan, Te Pin Lin, Chien Jung Ma
Life of this patent
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Abstract
A variable resistor and a digital-to-analog converter are provided. The variable resistor includes a main resistor, a plurality of switches, and a plurality of redundancy resistors. The switches are respectively constituted by a plurality of non-volatile memory cells. The switches are coupled to the main resistor. The redundancy resistors are respectively coupled to the main resistor through the switches.
Claims14
A variable resistor, comprising:
- a main resistor;
- a plurality of switches, respectively constituted by a plurality of non-volatile memory cells, and coupled to the main resistor;
- and
- a plurality of redundancy resistors, respectively coupled to the main resistor through the plurality of switches.
1 more element
Dependencies are inferred from the claim text.