Multi-level memory apparatus and data sensing method thereof
    4.
    发明授权
    Multi-level memory apparatus and data sensing method thereof 有权
    多级存储装置及其数据检测方法

    公开(公告)号:US09318195B1

    公开(公告)日:2016-04-19

    申请号:US14746200

    申请日:2015-06-22

    Abstract: A multi-level memory device may include a most significant bit (MSB) determination circuit configured to determine a plurality of MSBs by comparing a cell current flowing through a memory cell with a predetermined reference current, a current/voltage conversion circuit configured to convert a copied cell current obtained by copying the cell current into a cell voltage, a charging time determination circuit configured to determine a charging time during which the copied cell current is converted into the cell voltage and output a charging end signal, and a least significant bit (LSB) determination circuit configured to determine a plurality of LSBs according to the cell voltage and the charging end signal.

    Abstract translation: 多级存储器件可以包括最高有效位(MSB)确定电路,其被配置为通过将流过存储器单元的单元电流与预定参考电流进行比较来确定多个MSB;电流/电压转换电路, 通过将单元电流复制到单元电压而获得的复制单元电流;充电时间确定电路,被配置为确定将复制的单元电流转换为单元电压并输出充电结束信号的充电时间,以及最低有效位 LSB)确定电路,被配置为根据单元电压和充电结束信号来确定多个LSB。

    Analog-to-digital converter
    5.
    发明授权

    公开(公告)号:US10931298B2

    公开(公告)日:2021-02-23

    申请号:US16535761

    申请日:2019-08-08

    Abstract: An analog-to-digital converter includes an input buffer connected to an input terminal receiving an input signal through a first sampling switch, a comparator connected to the input buffer, a sampling capacitor connected between the input buffer and the comparator, and connected to a second sampling switch, a digital-to-analog converter connected to the comparator, and a controller, connected between the comparator and the digital-to-analog converter, configured to output a signal to the digital-to-analog converter based on the comparator.

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