公开(公告)号：US12062397B2

公开(公告)日：2024-08-13

申请号：US17585261

申请日：2022-01-26

申请人： Silicon Storage Technology, Inc.

发明人： Hieu Van Tran ,  Anh Ly ,  Kha Nguyen ,  Hien Pham ,  Duc Nguyen

IPC分类号： G11C16/16 ,  G11C16/10 ,  G11C16/26 ,  G11C16/30

CPC分类号： G11C16/16 ,  G11C16/102 ,  G11C16/26 ,  G11C16/30

摘要： Numerous embodiments of a transceiver for providing high voltages for use during erase or program operations in a non-volatile memory system are disclosed. In one embodiment, a transceiver comprises a PMOS transistor and a native NMOS transistor. In another embodiment, a transceiver comprises a PMOS transistor, an NMOS transistor, and a native NMOS transistor.

公开(公告)号：US20240266955A1

公开(公告)日：2024-08-08

申请号：US18135395

申请日：2023-04-17

申请人： Silicon Storage Technology, Inc.

发明人： THOAN NGUYEN ,  NGHIA NGUYEN ,  VIET NGUYEN ,  SON NGUYEN ,  HIEN LAI ,  PHUONG NGUYEN

IPC分类号： H02M3/07

CPC分类号： H02M3/077

摘要： In one example, a system comprises a plurality of charge pump units connected in parallel to receive an input voltage and to generate an output voltage greater than the input voltage and a pumping controller to provide a pumping signal to a first charge pump unit of the plurality of charge pump units and to provide sequentially delayed versions of the pumping signal to the other charge pump units of the plurality of charge pump units.

公开(公告)号：US12057160B2

公开(公告)日：2024-08-06

申请号：US18123921

申请日：2023-03-20

申请人： Silicon Storage Technology, Inc. ,  The Regents of the University of California

发明人： Farnood Merrikh Bayat ,  Xinjie Guo ,  Dmitri Strukov ,  Nhan Do ,  Hieu Van Tran ,  Vipin Tiwari ,  Mark Reiten

IPC分类号： G11C11/00 ,  G06F3/06 ,  G06N3/04 ,  G06N3/045 ,  G06N3/063 ,  G11C11/54 ,  G11C16/08 ,  G11C16/12 ,  G11C16/16 ,  G11C16/34 ,  G11C29/38

CPC分类号： G11C11/54 ,  G06F3/061 ,  G06F3/0655 ,  G06F3/0688 ,  G06N3/04 ,  G06N3/045 ,  G06N3/063 ,  G11C16/08 ,  G11C16/12 ,  G11C16/16 ,  G11C16/3436 ,  G11C29/38

摘要： Numerous examples of summing circuits for a neural network are disclosed. In one example, a circuit for summing current received from a plurality of synapses in a neural network comprises a voltage source; a load coupled between the voltage source and an output node; a voltage clamp coupled to the output node for maintaining a voltage at the output node; and a plurality of synapses coupled between the output node and ground; wherein an output current flows through the output node, the output current equal to a sum of currents drawn by the plurality of synapses.

公开(公告)号：US12046290B2

公开(公告)日：2024-07-23

申请号：US17125459

申请日：2020-12-17

申请人： Silicon Storage Technology, Inc.

发明人： Hieu Van Tran ,  Vipin Tiwari ,  Nhan Do ,  Mark Reiten

IPC分类号： G11C16/10 ,  G06N3/065 ,  G11C16/16

CPC分类号： G11C16/107 ,  G06N3/065 ,  G11C16/16

摘要： Numerous embodiments of programming, verifying, and reading systems and methods for use with a vector-by-matrix multiplication (VMM) array in an artificial neural network are disclosed. Selected cells can be programmed and verified with extreme precision to hold one of N different values. During a read operation, the system determines which of the N different values is stored in a selected cell.

公开(公告)号：US20240168844A1

公开(公告)日：2024-05-23

申请号：US18106421

申请日：2023-02-06

申请人： Silicon Storage Technology, Inc.

发明人： Hieu Van Tran

IPC分类号： G06F11/10

CPC分类号： G06F11/1044 ,  G06F11/1072

摘要： Numerous examples are disclosed of an improved grouping and error correction system for non-volatile memory cells. In one example, a system comprises a memory array comprising non-volatile memory cells arranged into rows and columns, wherein a non-volatile memory cell of the memory array stores a first bit of a first data grouping and a second bit of a second data grouping, and wherein the first grouping is backed by a first ECC block and the second grouping is backed by a second ECC block.

公开(公告)号：US11972795B2

公开(公告)日：2024-04-30

申请号：US18120360

申请日：2023-03-10

申请人： Silicon Storage Technology, Inc. ,  The Regents of the University of California

发明人： Farnood Merrikh Bayat ,  Xinjie Guo ,  Dmitri Strukov ,  Nhan Do ,  Hieu Van Tran ,  Vipin Tiwari ,  Mark Reiten

IPC分类号： G11C11/54 ,  G06F3/06 ,  G06N3/04 ,  G06N3/045 ,  G06N3/063 ,  G11C16/08 ,  G11C16/12 ,  G11C16/16 ,  G11C16/34 ,  G11C29/38

CPC分类号： G11C11/54 ,  G06F3/061 ,  G06F3/0655 ,  G06F3/0688 ,  G06N3/04 ,  G06N3/045 ,  G06N3/063 ,  G11C16/08 ,  G11C16/12 ,  G11C16/16 ,  G11C16/3436 ,  G11C29/38

摘要： Numerous examples are disclosed for verifying a weight programmed into a selected non-volatile memory cell in a neural memory. In one example, a circuit comprises a digital-to-analog converter to convert a target weight comprising digital bits into a target voltage, a current-to-voltage converter to convert an output current from the selected non-volatile memory cell during a verify operation into an output voltage, and a comparator to compare the output voltage to the target voltage during a verify operation.

公开(公告)号：US11790208B2

公开(公告)日：2023-10-17

申请号：US17238077

申请日：2021-04-22

申请人： Silicon Storage Technology, Inc. ,  The Regents of the University of California

发明人： Farnood Merrikh Bayat ,  Xinjie Guo ,  Dmitri Strukov ,  Nhan Do ,  Hieu Van Tran ,  Vipin Tiwari ,  Mark Reiten

IPC分类号： G06N3/04 ,  G11C11/54 ,  G06N3/063 ,  G11C16/34 ,  G11C29/38 ,  G06N3/045 ,  G11C16/08 ,  G11C16/12 ,  G11C16/16 ,  G06F3/06

CPC分类号： G06N3/04 ,  G06F3/061 ,  G06F3/0655 ,  G06F3/0688 ,  G06N3/045 ,  G06N3/063 ,  G11C11/54 ,  G11C16/08 ,  G11C16/12 ,  G11C16/16 ,  G11C16/3436 ,  G11C29/38

摘要： A number of circuits for use in an output block coupled to a non-volatile memory array in a neural network are disclosed. The embodiments include a circuit for converting an output current from a neuron in a neural network into an output voltage, a circuit for converting a voltage received on an input node into an output current, a circuit for summing current received from a plurality of neurons in a neural network, and a circuit for summing current received from a plurality of neurons in a neural network.

公开(公告)号：US11755899B2

公开(公告)日：2023-09-12

申请号：US16751202

申请日：2020-01-23

申请人： Silicon Storage Technology, Inc.

发明人： Hieu Van Tran ,  Steven Lemke ,  Vipin Tiwari ,  Nhan Do ,  Mark Reiten

IPC分类号： G11C16/04 ,  G06N3/065 ,  G06F17/16 ,  G11C16/10 ,  G11C16/34 ,  G11C16/26 ,  G11C11/56 ,  G11C16/14 ,  G06N3/044

CPC分类号： G06N3/065 ,  G06F17/16 ,  G06N3/044 ,  G11C11/5628 ,  G11C11/5635 ,  G11C16/0425 ,  G11C16/10 ,  G11C16/14 ,  G11C16/26 ,  G11C16/3459 ,  G11C2216/04

摘要： Numerous embodiments of a precision programming algorithm and apparatus are disclosed for precisely and quickly depositing the correct amount of charge on the floating gate of a non-volatile memory cell within a vector-by-matrix multiplication (VMM) array in an artificial neural network. Selected cells thereby can be programmed with extreme precision to hold one of N different values.

公开(公告)号：US11737266B2

公开(公告)日：2023-08-22

申请号：US17339880

申请日：2021-06-04

申请人： Silicon Storage Technology, Inc.

发明人： Guo Xiang Song ,  Chunming Wang ,  Leo Xing ,  Xian Liu ,  Nhan Do

IPC分类号： H01L27/088 ,  H10B41/41

CPC分类号： H10B41/41

摘要： A method of forming a semiconductor device by recessing the upper surface of a semiconductor substrate in first and second areas but not a third area, forming a first conductive layer in the three areas, forming a second conductive layer in all three areas, removing the first and second conductive layers from the second area and portions thereof from the first area resulting in pairs of stack structures each with a control gate over a floating gate, forming a third conductive layer in all three areas, forming a protective layer in the first and second areas and then removing the third conductive layer from the third area, then forming blocks of dummy conductive material in the third area, then etching in the first and second areas to form select and HV gates, and then replacing the blocks of dummy conductive material with blocks of metal material.

公开(公告)号：US20230244903A1

公开(公告)日：2023-08-03

申请号：US17721254

申请日：2022-04-14

申请人： Silicon Storage Technology, Inc.

发明人： Hieu Van Tran ,  Thuan Vu ,  Stanley Hong ,  Stephen Trinh ,  Anh Ly

IPC分类号： G06N3/04 ,  G11C11/54

CPC分类号： G06N3/04 ,  G11C11/54

摘要： Numerous examples are described for providing an artificial neural network system comprising an analog array and a digital array. In certain examples, an analog array and a digital array are coupled to shared bit lines. In other examples, an analog array and a digital array are coupled to separate bit lines.