Method of erasing an NVM cell that utilizes a gated diode
    6.
    发明授权
    Method of erasing an NVM cell that utilizes a gated diode 有权
    擦除使用门控二极管的NVM单元的方法

    公开(公告)号:US07969790B2

    公开(公告)日:2011-06-28

    申请号:US12884519

    申请日:2010-09-17

    IPC分类号: G11C11/34 G11C16/04

    摘要: A method of erasing an NVM cell structure formed on a deep well of N-type semiconductor material, wherein the NVM cell structure includes a PMOS transistor formed in an N-type well, the PMOS transistor including spaced-apart p-type source and drain regions defining an n-type channel region therebetween, an NMOS transistor formed in a P-type well that is adjacent to the N-type well, the NMOS transistor including spaced-apart n-type source and rain regions defining a p-type channel region therebetween, a conductive floating gate that includes a first section that extends over the n-type channel region of the PMOS transistor and is separated therefrom by intervening dielectric material and a second section that extends over the p-type channel region and is separated therefrom by intervening dielectric material, and a conductive control gate formed over at least a portion of the second section of the floating gate and separated therefrom by intervening dielectric material, the erasing method comprising: biasing the deep N-type well at a selected erase voltage; holding the source and drain regions of the PMOS transistor at the erase voltage or floating; and holding the control gate at ground for a preselected erase time.

    摘要翻译: 一种擦除形成在N型半导体材料的深阱中的NVM单元结构的方法,其中NVM单元结构包括形成在N型阱中的PMOS晶体管,PMOS晶体管包括间隔开的p型源极和漏极 在它们之间限定n型沟道区的区域,形成在与N型阱相邻的P型阱中的NMOS晶体管,NMOS晶体管包括间隔开的n型源和限定p型沟道的雨区 导电浮置栅极,其包括在PMOS晶体管的n型沟道区域上延伸并且通过中间介电材料分离的第一部分和在p型沟道区域上延伸并与其分离的第二部分的第一部分 通过插入介电材料和导电控制栅极形成在浮动栅极的第二部分的至少一部分上,并通过介电材料与其隔开, 包括:在所选择的擦除电压下偏置所述深N型阱; 将PMOS晶体管的源极和漏极区域保持在擦除电压或浮置; 并将控制门保持在地面以进行预先选择的擦除时间。

    METHOD OF READING AN NVM CELL THAT UTILIZES A GATED DIODE
    8.
    发明申请
    METHOD OF READING AN NVM CELL THAT UTILIZES A GATED DIODE 有权
    读取使用栅极二极管的NVM电池的方法

    公开(公告)号:US20110007570A1

    公开(公告)日:2011-01-13

    申请号:US12884567

    申请日:2010-09-17

    IPC分类号: G11C16/04

    摘要: A method of reading an NVM cell structure formed on a deep well of N-type semiconductor material, wherein the NVM cell structure includes a PMOS transistor formed in an N-type well, the PMOS transistor including spaced-apart p-type source and drain region defining an n-type cannel region therebetween, an NMOS transistor formed in a P-type well that is adjacent to the N-type well, the NMOS transistor including spaced-apart n-type source and drain regions defining a p-type channel region therebetween, a conductive floating gate that includes a first section that extends over the n-type channel region of the PMOS transistor and is separated therefrom by intervening dielectric material and a second section that extends over the p-type channel region and is separated therefrom by intervening dielectric material, and a conductive control gate formed over at least a portion of the second section of the floating gate and is separated therefrom by intervening dielectric material, the method comprising: biasing the deep N-type well at a preselected read voltage; holding the source region of the PMOS transistor at the read voltage; holding the drain of the PMOS transistor at ground; and holding the control gate at ground for a preselected read time.

    摘要翻译: 一种读取在N型半导体材料的深阱中形成的NVM单元结构的方法,其中所述NVM单元结构包括形成在N型阱中的PMOS晶体管,所述PMOS晶体管包括间隔开的p型源极和漏极 区域,其间形成n型沟道区域,形成在与N型阱相邻的P型阱中的NMOS晶体管,所述NMOS晶体管包括间隔开的n型源极和漏极区,其限定p型沟道 导电浮置栅极,其包括在PMOS晶体管的n型沟道区域上延伸并且通过中间介电材料分离的第一部分和在p型沟道区域上延伸并与其分离的第二部分的第一部分 通过插入电介质材料和导电控制栅极形成在浮动栅极的第二部分的至少一部分上,并通过介电材料与其分离,该方法com 奖励:以预选的读取电压偏置深N型阱; 将PMOS晶体管的源极区域保持在读取电压; 将PMOS晶体管的漏极保持在地; 并将控制门保持在地面以进行预选的读取时间。

    Active pixel sensor cell with integrating varactor and method for using such cell
    9.
    发明授权
    Active pixel sensor cell with integrating varactor and method for using such cell 有权
    具有积分变容二极管的有源像素传感器单元和使用这种单元的方法

    公开(公告)号:US07262401B2

    公开(公告)日:2007-08-28

    申请号:US11496951

    申请日:2006-08-01

    IPC分类号: H01L27/00 H04N3/14

    摘要: An active pixel sensor cell including at least one photodiode and reset circuitry and an integrating varactor coupled to the photodiode, a method for reading out such a cell, and an image sensor including an array of such cells. The photodiode can be exposed to photons during an exposure interval to accumulate a sequence of subexposure charges at a first node of the photodiode. Each of the subexposure charges accumulates at the first node during a different subexposure interval of the exposure interval. The photodiode is reset during each of a sequence of reset intervals, each reset interval occurring before a different one of the subexposure intervals. An output signal indicative of an exposure charge accumulated at the storage node during the exposure interval can be asserted from the cell, where the exposure charge is indicative of a sum of all the subexposure charges.

    摘要翻译: 包括至少一个光电二极管和复位电路的有源像素传感器单元和耦合到光电二极管的积分变容二极管,用于读出这样的单元的方法以及包括这种单元阵列的图像传感器。 在曝光间隔期间,可以将光电二极管暴露于​​光子,以在光电二极管的第一节点处累积次曝光电荷序列。 在曝光间隔的不同子曝光间隔期间,每个次曝光电荷在第一节点处累积。 在每个复位间隔的每一个期间复位光电二极管,每个复位间隔发生在不同的次曝光间隔之前。 指示在曝光间隔期间在存储节点处累积的曝光电荷的输出信号可以从单元断言,其中曝光电荷指示所有次曝光电荷的总和。