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REFERENCE VOLTAGE GENERATING CIRCUIT, SEMICONDUCTOR DEVICE INCLUDING THE SAME AND METHOD OF GENERATING REFERENCE VOLTAGE

机译:参考电压产生电路,包括该参考电压产生电路的半导体装置和产生参考电压的方法

摘要

A reference voltage generating circuit, a semiconductor device including the same and a method of generating a reference voltage are provided to reduce error rate in reading logic levels of plural data signals, by providing each reference voltage varying according to each termination voltage of data signals. A plurality of termination nodes provides termination voltages to terminate a plurality of data signals through termination resistors. A plurality of reference voltage generators(120) is connected to the plurality of termination nodes, and generates reference voltages varying according to each termination voltage in order to judge logic levels of the terminated data signals. The reference voltage generation circuit further includes a first voltage node providing a first voltage varying according to a logic low level of the data signals. The first voltage is provided on the basis of a driving ground voltage connected to pull-down voltage drivers of a transmitter(320) outputting the data signals.
机译:提供参考电压产生电路,包括该参考电压产生电路的半导体器件以及产生参考电压的方法,以通过提供根据数据信号的每个终止电压而变化的每个参考电压来减小读取多个数据信号的逻辑电平时的错误率。多个终端节点提供终端电压,以通过终端电阻器来终止多个数据信号。多个参考电压发生器(120)连接到多个终端节点,并产生根据每个终端电压而变化的参考电压,以便判断终端数据信号的逻辑电平。参考电压生成电路还包括第一电压节点,该第一电压节点提供根据数据信号的逻辑低电平而变化的第一电压。基于连接到输出数据信号的发送器(320)的下拉电压驱动器的驱动接地电压来提供第一电压。

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