| 摘要 |
An internal voltage generator for use in a semiconductor memory device includes a first voltage detection unit, a second voltage detection unit, a detection signal generation unit, and an internal voltage generation unit. The first voltage detection unit detects a voltage level of an internal voltage changing linearly depending on a temperature variation to output a first detection signal. The second voltage detection unit detects the voltage level having a constant value without concerning the temperature variation to output a second detection signal. The detection signal output unit combines the first and the second detection signal to generate a combined detection signal for detecting the voltage level linearly varying according to the temperature variation in a first range of temperature and detecting the voltage level having the constant value in a second range of temperature.
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