VOLTAGE DETECTION CIRCUIT AND INTERNAL VOLTAGE GENERATOR USING THE SAME

摘要

A voltage detection circuit includes a voltage detection unit suitable for comparing a voltage level of a reference voltage terminal with a voltage level of an internal voltage terminal and for generating a detection signal based on a comparison result, a test reference voltage generating unit suitable for receiving an external reference voltage through a pad and for supplying the received external reference voltage to the reference voltage terminal as the reference voltage by using a first input resistance, during a test operation, and a normal reference voltage generating unit having a current mirror structure, wherein the normal reference voltage generating unit is suitable for generating an internal reference voltage, and for supplying the internal reference voltage to the reference voltage terminal as the reference voltage by using a second input resistance different from the first input resistance, during a normal operation.

主权项

1. A voltage detection circuit, comprising
a voltage detection unit suitable for comparing a voltage level of a reference voltage terminal with a voltage level of an internal voltage terminal and for generating a detection signal based on a comparison result; a test reference voltage generating unit suitable for receiving an external reference voltage through a pad and for supplying the received external reference voltage to the reference voltage terminal as the reference voltage by using a first input resistance, during a test operation; and a normal reference voltage generating unit having a current mirror structure, wherein the normal reference voltage generating unit is suitable for generating an internal reference voltage and for supplying the internal reference voltage to the reference voltage terminal as the reference voltage by using a second input resistance different from the first input resistance, during a normal operation.