公开(公告)号：US08213259B2

公开(公告)日：2012-07-03

申请号：US12903011

申请日：2010-10-12

申请人： Daniel S. Reed ,  Yong Lu ,  Andrew John Carter ,  Hai Li

发明人： Daniel S. Reed ,  Yong Lu ,  Andrew John Carter ,  Hai Li

IPC分类号： G11C7/12 ,  G11C8/08 ,  G11C11/21 ,  G11C11/02 ,  G11C7/22

CPC分类号： G11C13/0097 ,  G11C11/1659 ,  G11C11/1675 ,  G11C13/0004 ,  G11C13/0011 ,  G11C13/003 ,  G11C13/0069 ,  G11C2013/009 ,  G11C2213/76

摘要： A non-volatile memory cell and associated method of use. In accordance with some embodiments, the memory cell includes a transistor comprising source and drain regions spanned by a gate region, and a resistive sense element (RSE) connected to the drain region of the transistor. The RSE is programmed to a first resistance by flowing a first write current through the RSE and then through the drain and source regions of the transistor. The RSE is programmed to a second resistance by flowing a second write current through the drain region and then through the RSE, the second write current bypassing the source region.

摘要翻译： 非易失性存储单元及相关联的使用方法。 根据一些实施例，存储器单元包括晶体管，其包括由栅极区域跨越的源极和漏极区域，以及连接到晶体管的漏极区域的电阻感测元件（RSE）。 通过使第一写入电流流过RSE然后通过晶体管的漏极和源极区域将RSE编程为第一电阻。 通过使第二写入电流流经漏极区域，然后通过RSE，将第二电阻编程为第二电阻，第二写入电流绕过源极区域。

公开(公告)号：US07885097B2

公开(公告)日：2011-02-08

申请号：US12501077

申请日：2009-07-10

申请人： Daniel S. Reed ,  Yong Lu ,  Andrew John Carter ,  Hai Li

发明人： Daniel S. Reed ,  Yong Lu ,  Andrew John Carter ,  Hai Li

IPC分类号： G11C7/12 ,  G11C8/12 ,  G11C11/16 ,  G11C11/02 ,  G11C11/14

CPC分类号： G11C13/0097 ,  G11C11/1659 ,  G11C11/1675 ,  G11C13/0004 ,  G11C13/0011 ,  G11C13/003 ,  G11C13/0069 ,  G11C2013/009 ,  G11C2213/76

摘要： In accordance with various embodiments, a column of non-volatile memory cells is connected between opposing first and second control lines. A fixed reference voltage is applied to the second control line. The memory cells are simultaneously programmed to a first resistive state by applying a first voltage to the first control line that is greater than the fixed reference voltage. Less than all of the memory cells are subsequently simultaneously programmed to a different, second resistive state by applying a second voltage to the first control line that is less than the fixed reference voltage, so that at the conclusion of the respective programming steps a first portion of the memory cells along said column are at the first resistive state and a second portion of the memory cells along said column are at the second resistive state.

摘要翻译： 根据各种实施例，一列非易失性存储单元连接在相对的第一和第二控制线之间。 将固定的参考电压施加到第二控制线。 通过向第一控制线施加大于固定参考电压的第一电压，将存储单元同时编程为第一电阻状态。 随后通过向小于固定参考电压的第一控制线施加第二电压而将小于所有存储单元的数据同时编程为不同的第二电阻状态，使得在相应编程步骤结束时，第一部分 沿着所述列的存储器单元处于第一电阻状态，并且沿着所述列的存储单元的第二部分处于第二电阻状态。

公开(公告)号：US20100091548A1

公开(公告)日：2010-04-15

申请号：US12501077

申请日：2009-07-10

申请人： Daniel S. Reed ,  Yong Lu ,  Andrew John Carter ,  Hai Li

发明人： Daniel S. Reed ,  Yong Lu ,  Andrew John Carter ,  Hai Li

IPC分类号： G11C11/00 ,  G11C11/14 ,  G11C7/00

CPC分类号： G11C13/0097 ,  G11C11/1659 ,  G11C11/1675 ,  G11C13/0004 ,  G11C13/0011 ,  G11C13/003 ,  G11C13/0069 ,  G11C2013/009 ,  G11C2213/76

摘要： A non-volatile memory cell and associated method of use are disclosed. In accordance with various embodiments, the memory cell includes a switching device and a resistive sense element (RSE) connected in series between first and second control lines. The first control line is supplied with a variable voltage and the second control line is maintained at a fixed reference voltage. A first resistive state of the RSE is programmed by lowering the variable voltage of the first control line below the fixed reference voltage of the second control line to flow a body-drain current through the switching device. A different, second resistive state of the RSE is programmed by raising the variable voltage of the first control line above the fixed reference voltage to flow a drain-source current through the switching device.

摘要翻译： 公开了一种非易失性存储单元及其相关使用方法。 根据各种实施例，存储单元包括串联连接在第一和第二控制线之间的开关装置和电阻感测元件（RSE）。 第一控制线被提供可变电压，第二控制线保持在固定的参考电压。 RSE的第一电阻状态通过将第一控制线的可变电压降低到第二控制线的固定参考电压以下来编程，以使体电流流过开关器件。 RSE的不同的第二电阻状态通过将第一控制线的可变电压升高到固定参考电压以上而使漏源电流流过开关器件来编程。

公开(公告)号：US20110026305A1

公开(公告)日：2011-02-03

申请号：US12903011

申请日：2010-10-12

申请人： Daniel S. Reed ,  Yong Lu ,  Andrew John Carter ,  Hai Li

发明人： Daniel S. Reed ,  Yong Lu ,  Andrew John Carter ,  Hai Li

IPC分类号： G11C11/00 ,  H01L21/82

CPC分类号： G11C13/0097 ,  G11C11/1659 ,  G11C11/1675 ,  G11C13/0004 ,  G11C13/0011 ,  G11C13/003 ,  G11C13/0069 ,  G11C2013/009 ,  G11C2213/76

摘要： A non-volatile memory cell and associated method of use are disclosed. In accordance with various embodiments, the memory cell includes a switching device and a resistive sense element (RSE) connected in series between first and second control lines. The first control line is supplied with a variable voltage and the second control line is maintained at a fixed reference voltage. A first resistive state of the RSE is programmed by lowering the variable voltage of the first control line below the fixed reference voltage of the second control line to flow a body-drain current through the switching device. A different, second resistive state of the RSE is programmed by raising the variable voltage of the first control line above the fixed reference voltage to flow a drain-source current through the switching device.

摘要翻译： 公开了一种非易失性存储单元及其相关使用方法。 根据各种实施例，存储单元包括串联连接在第一和第二控制线之间的开关装置和电阻感测元件（RSE）。 第一控制线被提供可变电压，第二控制线保持在固定的参考电压。 RSE的第一电阻状态通过将第一控制线的可变电压降低到第二控制线的固定参考电压以下来编程，以使体电流流过开关器件。 RSE的不同的第二电阻状态通过将第一控制线的可变电压升高到固定参考电压以上而使漏源电流流过开关器件来编程。

公开(公告)号：US20100177562A1

公开(公告)日：2010-07-15

申请号：US12352713

申请日：2009-01-13

申请人： Yiran Chen ,  Daniel S. Reed ,  Yong Lu ,  Harry Hongyue Liu ,  Hai Li ,  Rod V. Bowman

发明人： Yiran Chen ,  Daniel S. Reed ,  Yong Lu ,  Harry Hongyue Liu ,  Hai Li ,  Rod V. Bowman

IPC分类号： G11C11/14 ,  G11C7/00

CPC分类号： G11C11/22

摘要： Various embodiments are generally directed to a method and apparatus associated with operating a first memory device with multiple interfaces and a status register. In some embodiments, a first interface is engaged by a host. A memory device that has a plurality of memory cells comprised of at least a magnetic tunneling junction and a spin polarizing magnetic material is connected to a second interface. A status register is maintained by logging at least an error or busy signal during data transfer operations through the first and second interfaces.

摘要翻译： 各种实施例通常涉及与操作具有多个接口和状态寄存器的第一存储器件相关联的方法和装置。 在一些实施例中，主机接合第一接口。 具有由至少磁性隧道结和自旋极化磁性材料构成的多个存储单元的存储器件连接到第二接口。 通过在数据传输操作期间通过第一和第二接口记录至少一个错误或忙信号来维护状态寄存器。

公开(公告)号：US20100095050A1

公开(公告)日：2010-04-15

申请号：US12252170

申请日：2008-10-15

申请人： Yiran Chen ,  Daniel S. Reed ,  Yong Lu ,  Hongyue Liu ,  Hai Li

发明人： Yiran Chen ,  Daniel S. Reed ,  Yong Lu ,  Hongyue Liu ,  Hai Li

IPC分类号： G06F12/02

CPC分类号： G11C7/24 ,  G11C5/143 ,  G11C11/16 ,  G11C13/0002

摘要： Method and apparatus for operating a memory device with a status register. In some embodiments, the memory device has a plurality of individually programmable non-volatile memory cells comprised of at least a resistive sense memory. The memory device engages an interface and maintains a status register in some embodiments by logging at least an error or busy signal during data transfer operations.

摘要翻译： 用于操作具有状态寄存器的存储器件的方法和装置。 在一些实施例中，存储器件具有由至少电阻式感测存储器组成的多个单独可编程的非易失性存储器单元。 在一些实施例中，存储器装置接合接口并维持状态寄存器，在数据传输操作期间至少记录错误或忙信号。

公开(公告)号：US07830700B2

公开(公告)日：2010-11-09

申请号：US12269564

申请日：2008-11-12

申请人： Yiran Chen ,  Daniel S. Reed ,  Yong Lu ,  Harry Hongyue Liu ,  Hai Li

发明人： Yiran Chen ,  Daniel S. Reed ,  Yong Lu ,  Harry Hongyue Liu ,  Hai Li

IPC分类号： G11C11/00

CPC分类号： G11C8/12 ,  G11C11/1653 ,  G11C11/1673 ,  G11C11/1675 ,  G11C13/0007 ,  G11C13/0069 ,  G11C2013/0088 ,  G11C2013/009 ,  G11C2213/32 ,  G11C2213/34 ,  G11C2213/79

摘要： Various embodiments of the present invention are generally directed to a method and apparatus for carrying out a partial block update operation upon a resistive sense memory (RSM) array, such as formed from STRAM or RRAM cells. The RSM array is arranged into multi-cell blocks (sectors), each block having a physical block address (PBA). A first set of user data is written to a selected block at a first PBA. A partial block update operation is performed by writing a second set of user data to a second block at a second PBA, the second set of user data updating a portion of the first set of user data in the first PBA. The first and second blocks are thereafter read to retrieve the second set of user data and a remaining portion of the first set of user data.

摘要翻译： 本发明的各种实施例总体上涉及一种用于在诸如由STRAM或RRAM单元形成的电阻式感测存储器（RSM）阵列上执行部分块更新操作的方法和装置。 RSM阵列被布置成多小区块（扇区），每个块具有物理块地址（PBA）。 第一组用户数据在第一PBA被写入所选择的块。 通过在第二PBA将第二组用户数据写入第二块来执行部分块更新操作，第二组用户数据更新第一PBA中第一组用户数据的一部分。 然后读取第一和第二块以检索第二组用户数据和第一组用户数据的剩余部分。

公开(公告)号：US20100188883A1

公开(公告)日：2010-07-29

申请号：US12360931

申请日：2009-01-28

申请人： Yiran Chen ,  Daniel S. Reed ,  Yong Lu ,  Harry Hongyue Liu ,  Hai Li ,  Rod V. Bowman

发明人： Yiran Chen ,  Daniel S. Reed ,  Yong Lu ,  Harry Hongyue Liu ,  Hai Li ,  Rod V. Bowman

IPC分类号： G11C11/56 ,  G11C11/00 ,  G11C7/00

CPC分类号： G11C8/06 ,  G06F11/1008 ,  G06F11/1076 ,  G11C8/04 ,  G11C11/1673 ,  G11C11/1675 ,  G11C29/44 ,  G11C29/76 ,  G11C2029/0411 ,  G11C2029/1208

摘要： Method and apparatus are disclosed for storing data to non-volatile resistive sense memory (RSM) memory cells of a semiconductor memory array, including but not limited to resistive random access memory (RRAM) and spin-torque transfer random access memory (STTRAM or STRAM) cells. In accordance with various embodiments, a plurality of addressable data blocks from a host device are stored in a buffer. At least a portion of each of the addressable data blocks are serially transferred to a separate register of a plurality of registers. The transferred portions of said addressable data blocks are thereafter simultaneously transferred from the registers to selected RSM cells of the array.

摘要翻译： 公开了用于将数据存储到半导体存储器阵列的非易失性电阻读出存储器（RSM）存储器单元的方法和装置，包括但不限于电阻随机存取存储器（RRAM）和自旋转矩传递随机存取存储器（STTRAM或STRAM ） 细胞。 根据各种实施例，来自主机设备的多个可寻址数据块被存储在缓冲器中。 每个可寻址数据块的至少一部分被串行地传送到多个寄存器的单独寄存器。 然后，所述可寻址数据块的传送部分从寄存器同时传送到阵列的所选RSM单元。

公开(公告)号：US20100118587A1

公开(公告)日：2010-05-13

申请号：US12269564

申请日：2008-11-12

申请人： Yiran Chen ,  Daniel S. Reed ,  Yong Lu ,  Harry Hongyue Liu ,  Hai Li

发明人： Yiran Chen ,  Daniel S. Reed ,  Yong Lu ,  Harry Hongyue Liu ,  Hai Li

IPC分类号： G11C11/00 ,  G11C8/00 ,  G11C11/416

CPC分类号： G11C8/12 ,  G11C11/1653 ,  G11C11/1673 ,  G11C11/1675 ,  G11C13/0007 ,  G11C13/0069 ,  G11C2013/0088 ,  G11C2013/009 ,  G11C2213/32 ,  G11C2213/34 ,  G11C2213/79

摘要： Various embodiments of the present invention are generally directed to a method and apparatus for carrying out a partial block update operation upon a resistive sense memory (RSM) array, such as formed from STRAM or RRAM cells. The RSM array is arranged into multi-cell blocks (sectors), each block having a physical block address (PBA). A first set of user data is written to a selected block at a first PBA. A partial block update operation is performed by writing a second set of user data to a second block at a second PBA, the second set of user data updating a portion of the first set of user data in the first PBA. The first and second blocks are thereafter read to retrieve the second set of user data and a remaining portion of the first set of user data.

摘要翻译： 本发明的各种实施例总体上涉及一种用于在诸如由STRAM或RRAM单元形成的电阻式感测存储器（RSM）阵列上执行部分块更新操作的方法和装置。 RSM阵列被布置成多小区块（扇区），每个块具有物理块地址（PBA）。 第一组用户数据在第一PBA被写入所选择的块。 通过在第二PBA将第二组用户数据写入第二块来执行部分块更新操作，第二组用户数据更新第一PBA中第一组用户数据的一部分。 然后读取第一和第二块以检索第二组用户数据和第一组用户数据的剩余部分。

公开(公告)号：US20110029714A1

公开(公告)日：2011-02-03

申请号：US12904653

申请日：2010-10-14

申请人： Yiran Chen ,  Daniel S. Reed ,  Yong Lu ,  Harry Hongyue Liu ,  Hai Li

发明人： Yiran Chen ,  Daniel S. Reed ,  Yong Lu ,  Harry Hongyue Liu ,  Hai Li

IPC分类号： G06F12/00 ,  G11C11/21 ,  G11C11/16

CPC分类号： G11C8/12 ,  G11C11/1653 ,  G11C11/1673 ,  G11C11/1675 ,  G11C13/0007 ,  G11C13/0069 ,  G11C2013/0088 ,  G11C2013/009 ,  G11C2213/32 ,  G11C2213/34 ,  G11C2213/79

摘要： Various embodiments of the present invention are generally directed to a method and apparatus for carrying out a partial block update operation upon a resistive sense memory (RSM) array, such as formed from STRAM or RRAM cells. The RSM array is arranged into multi-cell blocks (sectors), each block having a physical block address (PBA). A first set of user data is written to a selected block at a first PBA. A partial block update operation is performed by writing a second set of user data to a second block at a second PBA, the second set of user data updating a portion of the first set of user data in the first PBA. The first and second blocks are thereafter read to retrieve the second set of user data and a remaining portion of the first set of user data.

摘要翻译： 本发明的各种实施例总体上涉及一种用于在诸如由STRAM或RRAM单元形成的电阻式感测存储器（RSM）阵列上执行部分块更新操作的方法和装置。 RSM阵列被布置成多小区块（扇区），每个块具有物理块地址（PBA）。 第一组用户数据在第一PBA被写入所选择的块。 通过在第二PBA将第二组用户数据写入第二块来执行部分块更新操作，第二组用户数据更新第一PBA中第一组用户数据的一部分。 然后读取第一和第二块以检索第二组用户数据和第一组用户数据的剩余部分。