公开(公告)号：US20110012651A1

公开(公告)日：2011-01-20

申请号：US12836213

申请日：2010-07-14

申请人： Hanae Kaidoh ,  Kazuyuki Tanaka

发明人： Hanae Kaidoh ,  Kazuyuki Tanaka

IPC分类号： H03L7/00

CPC分类号： H03K17/20

摘要： A power-on reset circuit includes a charge-up circuit to charge a first capacitor after power is on, a first NOR circuit connected to an output terminal of the charge-up circuit and receive a power-on reset signal output from an output terminal of the power-on reset circuit, a first inverter connected to the first NOR circuit, a second capacitor connected between an input terminal of the first NOR circuit and an output terminal of the first inverter, a counter configured to count a clock, a clock selector configured to select whether to output or inhibit a clock signal based on an output signal from the counter, and a second inverter connected to the output terminal of the counter to output the power-on reset signal.

摘要翻译： 上电复位电路包括：充电电路，用于在电源接通之后对第一电容器充电，第一NOR电路连接到充电电路的输出端子并接收从输出端子输出的上电复位信号 所述第一反相器连接到所述第一NOR电路，连接在所述第一NOR电路的输入端子和所述第一反相器的输出端子之间的第二电容器，被配置为对时钟进行计数的计数器，时钟 选择器，被配置为基于来自计数器的输出信号来选择是输出还是禁止时钟信号，以及连接到计数器的输出端的第二反相器，以输出上电复位信号。

公开(公告)号：US07990190B2

公开(公告)日：2011-08-02

申请号：US12836213

申请日：2010-07-14

申请人： Hanae Kaidoh ,  Kazuyuki Tanaka

发明人： Hanae Kaidoh ,  Kazuyuki Tanaka

IPC分类号： H03L7/00

CPC分类号： H03K17/20

摘要： A power-on reset circuit includes a charge-up circuit to charge a first capacitor after power is on, a first NOR circuit connected to an output terminal of the charge-up circuit and receive a power-on reset signal output from an output terminal of the power-on reset circuit, a first inverter connected to the first NOR circuit, a second capacitor connected between an input terminal of the first NOR circuit and an output terminal of the first inverter, a counter configured to count a clock, a clock selector configured to select whether to output or inhibit a clock signal based on an output signal from the counter, and a second inverter connected to the output terminal of the counter to output the power-on reset signal.

摘要翻译： 上电复位电路包括：充电电路，用于在电源接通之后对第一电容器充电，第一NOR电路连接到充电电路的输出端子并接收从输出端子输出的上电复位信号 所述第一反相器连接到所述第一NOR电路，连接在所述第一NOR电路的输入端子和所述第一反相器的输出端子之间的第二电容器，被配置为对时钟进行计数的计数器，时钟 选择器，被配置为基于来自计数器的输出信号来选择是输出还是禁止时钟信号，以及连接到计数器的输出端的第二反相器，以输出上电复位信号。