CURRENT GENERATION CIRCUITS AND SEMICONDUCTOR DEVICES INCLUDING THE SAME

摘要

Semiconductor devices are provided. The semiconductor device may include a current generation circuit and an internal circuit. The current generation circuit may include a first drive element and a second drive element which are connected in series. The current generation circuit may generate a reference voltage signal whose voltage level is set by a reference current which is identical or substantially identical to a current flowing through the first and second drive elements. The internal circuit may utilize an output current controlled according to the reference current as an operation current thereof.

主权项

1. A current generation circuit comprising:
a reference voltage generator including a first drive element and a second drive element which are connected in series, and the reference voltage generator is suitable for generating a reference voltage signal; and an output current generator suitable for generating an output current, wherein a voltage level of the reference voltage signal is set by a reference current, the reference current being substantially identical to a current flowing through the first and second drive elements, wherein a current level of the output current is set in response to the reference voltage signal, and wherein a threshold voltage of the first drive element is different from a threshold voltage of the second drive element.