发明名称 |
CIRCUIT AND METHOD FOR GENERATING REFERENCE VOLTAGE |
摘要 |
PURPOSE: A reference voltage generating circuit and a reference voltage generating method are provided to reduce time for controlling a plurality of reference voltages by controlling a basic voltage for generating a plurality of reference voltages. CONSTITUTION: A basic voltage control unit(300) generates a basic voltage control signal according to recorded information. A basic voltage generating unit generates a basic voltage which has a level changed according to a basic voltage control signal if the basic voltage generating unit is activated in response to an external voltage. A reference voltage generating unit(200) generates a plurality of reference voltages by receiving the basic voltage. The reference voltage generating unit generates a reference current in response to an external voltage and provides the reference current to the basic voltage output unit. A basic voltage output unit generates a basic voltage which has a different level according to the basic voltage control signal based on the reference current. |
申请公布号 |
KR20120020875(A) |
申请公布日期 |
2012.03.08 |
申请号 |
KR20100084776 |
申请日期 |
2010.08.31 |
申请人 |
HYNIX SEMICONDUCTOR INC. |
发明人 |
KIM, HYUN SIK;SHIN, YOON JAE |
分类号 |
G11C5/14;G11C29/50 |
主分类号 |
G11C5/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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