公开(公告)号：US20240161818A1

公开(公告)日：2024-05-16

申请号：US18071658

申请日：2022-11-30

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chun-Hsien Huang ,  Yu-Tse Kuo ,  Shu-Ru Wang ,  Li-Ping Huang ,  Yu-Fang Chen ,  Chun-Yen Tseng ,  Tzu-Feng Chang ,  Chun-Chieh Chang

IPC: G11C11/412 ,  H01L29/66 ,  H01L29/78 ,  H10B10/00

CPC classification number: G11C11/412 ,  H01L27/1104 ,  H01L29/6681 ,  H01L29/7851

Abstract: The invention provides a layout pattern of static random access memory (SRAM), which at least comprises a plurality of gate structures located on a substrate and spanning the plurality of fin structures to form a plurality of transistors distributed on the substrate, wherein the plurality of transistors comprise two pull-up transistors (PU), two pull-down transistors (PD) to form a latch circuit, and two access transistors (PG) connected to the latch circuit. In each SRAM memory cell, the fin structure included in the pull-up transistor (PU) is defined as a PU fin structure, the fin structure included in the pull-down transistor (PD) is defined as a PD fin structure, and the fin structure included in the access transistor (PG) is defined as a PG fin structure, wherein a width of the PD fin structure is wider than a width of the PG fin structure.

公开(公告)号：US11943935B2

公开(公告)日：2024-03-26

申请号：US17952337

申请日：2022-09-26

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chun-Yen Tseng ,  Shu-Ru Wang ,  Yu-Tse Kuo ,  Chang-Hung Chen ,  Yi-Ting Wu ,  Shu-Wei Yeh ,  Ya-Lan Chiou ,  Chun-Hsien Huang

IPC: H10B61/00 ,  H10N50/80

CPC classification number: H10B61/22 ,  H10N50/80

Abstract: A layout pattern of a magnetoresistive random access memory (MRAM) includes a substrate having a first cell region, a second cell region, a third cell region, and a fourth cell region and a diffusion region on the substrate extending through the first cell region, the second cell region, the third cell region, and the fourth cell region. Preferably, the diffusion region includes a H-shape according to a top view.

公开(公告)号：US11475953B1

公开(公告)日：2022-10-18

申请号：US17377396

申请日：2021-07-16

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chun-Yen Tseng ,  Yu-Tse Kuo ,  Shu-Ru Wang ,  Chun-Hsien Huang ,  Hsin-Chih Yu ,  Meng-Ping Chuang ,  Li-Ping Huang

IPC: G11C15/00 ,  G11C15/04 ,  H01L27/02

Abstract: The invention provides a semiconductor layout pattern, the semiconductor layout pattern includes a substrate, a plurality of ternary content addressable memories (TCAM) are arranged on the substrate, the layout of at least two TCAM is mirror symmetric with each other along an axis of symmetry, and the two TCAM are connected to the same search line (SL) together.

公开(公告)号：US11170854B2

公开(公告)日：2021-11-09

申请号：US17114373

申请日：2020-12-07

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chun-Hsien Huang ,  Ching-Cheng Lung ,  Yu-Tse Kuo ,  Shu-Ru Wang ,  Chun-Yen Tseng

IPC: G11C15/04 ,  G11C15/00 ,  H01L27/02 ,  H01L27/11 ,  G06F7/74

Abstract: A layout pattern of a two-port ternary content addressable memory (TCAM) includes a first storage unit, a second storage unit, a first comparison circuit and a second comparison circuit. The first comparison circuit and the second comparison circuit are positioned in a first side area of a side and a second side area of another side of the layout pattern, respectively. The first storage unit and the second storage unit are positioned in a first middle area and a second middle area between the first side area and the second side area, respectively. The first storage unit is connected to the first comparison circuit through a first gate structure and connected to the second comparison circuit through a second gate structure. The second storage unit is connected to the first comparison circuit through a third gate structure and connected to the second comparison circuit through a fourth gate structure.

公开(公告)号：US10978122B1

公开(公告)日：2021-04-13

申请号：US16796953

申请日：2020-02-21

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chun-Yen Tseng ,  Yu-Tse Kuo ,  Chang-Hung Chen ,  Shu-Ru Wang ,  Ya-Lan Chiou ,  Chun-Hsien Huang ,  Chih-Wei Tsai ,  Hsin-Chih Yu ,  Yi-Ting Wu ,  Cheng-Tung Huang ,  Jen-Yu Wang ,  Jhen-Siang Wu ,  Po-Chun Yang ,  Yung-Ching Hsieh ,  Jian-Jhong Chen ,  Bo-Chang Li

IPC: G11C11/00 ,  G11C11/16 ,  H01L27/22

Abstract: A memory includes (n−1) non-volatile cells, (n−1) bit lines and a current driving circuit. Each of the (n−1) non-volatile cells includes a first terminal and a second terminal. An ith bit line of the (n−1) bit lines is coupled to a first terminal of an ith non-volatile cell of the (n−1) non-volatile cells. The current driving circuit includes n first transistors coupled to the (n−1) non-volatile cells.

公开(公告)号：US10559573B2

公开(公告)日：2020-02-11

申请号：US16162340

申请日：2018-10-16

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Shu-Ru Wang ,  Ching-Cheng Lung ,  Yu-Tse Kuo ,  Chien-Hung Chen ,  Chun-Hsien Huang ,  Li-Ping Huang ,  Chun-Yen Tseng ,  Meng-Ping Chuang

IPC: H01L27/11 ,  G11C11/412 ,  G11C5/06 ,  G11C8/14 ,  G11C7/18 ,  H01L27/02 ,  H01L27/12 ,  H01L27/092

Abstract: A layout pattern of a static random access memory (SRAM) includes a substrate, a first pull-up transistor (PL1), a first pull-down transistor (PD1), a second (PL2), and a second pull-down transistor (PD2) on the substrate, and a first pass gate transistor (PG1A), a second pass gate transistor (PG1B), a third pass gate transistor (PG2A) and a fourth pass gate transistor (PG2B), wherein the PG1A and the PG1B comprise a first fin structure, the PG2A and the PG2B comprise a second fin structure, a first local interconnection layer disposed between the PG1A and the PG1B and disposed on the fin structures of the PL1 and the PD1, a second local interconnection layer disposed between the PG2A and the PG2B and disposed between the fin structures of the PL2 and the PD2, the first local interconnection layer and the second local interconnection layer are monolithically formed structures respectively.

公开(公告)号：US20190221238A1

公开(公告)日：2019-07-18

申请号：US15900811

申请日：2018-02-21

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chun-Yen Tseng ,  Ting-Hao Chang ,  Ching-Cheng Lung ,  Yu-Tse Kuo ,  Shih-Hao Liang ,  Chun-Hsien Huang ,  Shu-Ru Wang ,  Hsin-Chih Yu

IPC: G11C5/02 ,  H01L27/108 ,  H01L27/105 ,  H01L27/11 ,  G11C11/409 ,  G11C11/419

CPC classification number: G11C5/02 ,  G11C11/409 ,  G11C11/419 ,  H01L27/1052 ,  H01L27/10802 ,  H01L27/1108 ,  H01L29/7869

Abstract: The present invention provides a memory device, the memory device includes a first region having a plurality of oxide semiconductor static random access memories (OSSRAM) arranged in a first direction, and each of the OSSRAMs comprising a static random access memory (SRAM) and at least an oxide semiconductor dynamic random access memory (DOSRAM), wherein the DOSRAM is connected to the SRAM, wherein each of the DOSRAMs comprises an oxide semiconductor gate (OSG), and each of the OSGs extending in a second direction perpendicular to the first direction, and an oxide semiconductor channel extending in the first direction, an oxide semiconductor gate connection extending in the first direction to connect each of the OSGs, and a word line, a Vcc connection line and a Vss connection line extend in the first direction and are connected to the SRAMs in each OSSRAM.

公开(公告)号：US20190096892A1

公开(公告)日：2019-03-28

申请号：US16162340

申请日：2018-10-16

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Shu-Ru Wang ,  Ching-Cheng Lung ,  Yu-Tse Kuo ,  Chien-Hung Chen ,  Chun-Hsien Huang ,  Li-Ping Huang ,  Chun-Yen Tseng ,  Meng-Ping Chuang

IPC: H01L27/11 ,  G11C11/412 ,  G11C7/18 ,  G11C8/14 ,  G11C5/06

Abstract: A layout pattern of a static random access memory (SRAM) includes a substrate, a first pull-up transistor (PL1), a first pull-down transistor (PD1), a second (PL2), and a second pull-down transistor (PD2) on the substrate, and a first pass gate transistor (PG1A), a second pass gate transistor (PG1B), a third pass gate transistor (PG2A) and a fourth pass gate transistor (PG2B), wherein the PG1A and the PG1B comprise a first fin structure, the PG2A and the PG2B comprise a second fin structure, a first local interconnection layer disposed between the PG1A and the PG1B and disposed on the fin structures of the PL1 and the PD1, a second local interconnection layer disposed between the PG2A and the PG2B and disposed between the fin structures of the PL2 and the PD2, the first local interconnection layer and the second local interconnection layer are monolithically formed structures respectively.

公开(公告)号：US10153287B1

公开(公告)日：2018-12-11

申请号：US15795247

申请日：2017-10-26

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Shu-Ru Wang ,  Ching-Cheng Lung ,  Yu-Tse Kuo ,  Chien-Hung Chen ,  Chun-Hsien Huang ,  Li-Ping Huang ,  Chun-Yen Tseng ,  Meng-Ping Chuang

IPC: H01L27/11 ,  H01L27/02 ,  H01L29/78 ,  H01L23/528 ,  H01L21/3213 ,  H01L23/522 ,  H01L21/8238 ,  H01L27/092

Abstract: A layout pattern of a static random access memory (SRAM) includes a substrate, a first pull-up transistor (PL1), a first pull-down transistor (PD1), a second (PL2), and a second pull-down transistor (PD2) on the substrate, and a first pass gate transistor (PG1A), a second pass gate transistor (PG1B), a third pass gate transistor (PG2A) and a fourth pass gate transistor (PG2B), wherein the PG1A and the PG1B comprise an identical first fin structure, the PG2A and the PG2B comprise an identical second fin structure, a first local interconnection layer disposed between the PG1A and the PG1B and disposed on the fin structures of the PL1 and the PD1, a second local interconnection layer disposed between the PG2A and the PG2B and disposed between the fin structures of the PL2 and the PD2.

公开(公告)号：US09947674B2

公开(公告)日：2018-04-17

申请号：US15686169

申请日：2017-08-25

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chun-Hsien Huang ,  Yu-Tse Kuo ,  Shu-Ru Wang

IPC: H01L27/11 ,  H01L29/66 ,  H01L29/78

CPC classification number: H01L29/6681 ,  H01L27/1104 ,  H01L27/1116 ,  H01L29/785

Abstract: A static random-access memory (SRAM) cell array forming method includes the following steps. A plurality of fin structures are formed on a substrate, wherein the fin structures include a plurality of active fins and a plurality of dummy fins, each PG (pass-gate) FinFET shares at least one of the active fins with a PD (pull-down) FinFET, and at least one dummy fin is disposed between the two active fins having two adjacent pull-up FinFETs thereover in a static random-access memory cell. At least a part of the dummy fins are removed. The present invention also provides a static random-access memory (SRAM) cell array formed by said method.