US Patent Application 17990119. TEST CIRCUIT OF ELECTRONIC DEVICE, ELECTRONIC DEVICE INCLUDING TEST CIRCUIT, AND OPERATING METHOD THEREOF simplified abstract

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TEST CIRCUIT OF ELECTRONIC DEVICE, ELECTRONIC DEVICE INCLUDING TEST CIRCUIT, AND OPERATING METHOD THEREOF

Organization Name

SK hynix Inc.

Inventor(s)

Ki Hyuk Sung of Gyeonggi-do (KR)

TEST CIRCUIT OF ELECTRONIC DEVICE, ELECTRONIC DEVICE INCLUDING TEST CIRCUIT, AND OPERATING METHOD THEREOF - A simplified explanation of the abstract

This abstract first appeared for US patent application 17990119 titled 'TEST CIRCUIT OF ELECTRONIC DEVICE, ELECTRONIC DEVICE INCLUDING TEST CIRCUIT, AND OPERATING METHOD THEREOF

Simplified Explanation

The patent application describes a test circuit for an electronic device, along with the device itself and its operating method.

  • The electronic device includes analog circuits and a control circuit.
  • The control circuit connects various nodes in the analog circuits to an output terminal.
  • A control signal generator generates a control signal based on an input signal from an external device to control the control circuit.
  • A switching circuit is placed on the electrical path between the nodes and the control circuit.
  • The switching circuit remains open for a specific amount of time after the voltage from an external power source is applied to the control circuit.


Original Abstract Submitted

Provided herein may be a test circuit of an electronic device, the electronic device including the test circuit, and an operating method thereof. The electronic device may include analog circuits, a control circuit configured to connect, to an output terminal, each of a plurality of nodes respectively included in the analog circuits to an output terminal, a control signal generator configured to generate a control signal for controlling the control circuit based on an input signal received from an external device, and a switching circuit disposed on an electrical path for connecting the plurality of nodes and the control circuit to each other and configured to be electrically open during a preset time amount from a time point at which a voltage from an external power source starts to be applied to the control circuit.

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