DEVICE FOR ELECTROSTATIC DISCHARGE PROTECTION USING SILICON CONTROLLED RECTIFIER

    公开(公告)号:US20240222963A1

    公开(公告)日:2024-07-04

    申请号:US18402453

    申请日:2024-01-02

    CPC classification number: H02H9/045

    Abstract: A device including a first clamp circuit connected between a first node and a second node, wherein the first clamp circuit includes: a symmetric bipolar transistor comprising a control terminal, a first current terminal and a second current terminal, wherein the first current terminal and the second current terminal are symmetrical to each other with respect to the control terminal; a first bipolar transistor electrically connected to the symmetric bipolar transistor and to the first node; and a second bipolar transistor electrically connected to the symmetric bipolar transistor and to the second node.

    SEMICONDUCTOR DEVICE
    2.
    发明申请

    公开(公告)号:US20240421149A1

    公开(公告)日:2024-12-19

    申请号:US18582871

    申请日:2024-02-21

    Abstract: A semiconductor device includes a substrate doped with first conductivity-type impurities, a first well doped with second conductivity-type impurities different from the first conductivity-type impurities, first active regions in the first well, the first active regions being doped with the first conductivity-type impurities and connected to a first pad through a first interconnection, second active regions outside the first well, the second active regions being doped with the second conductivity-type impurities and connected to a second pad through a second interconnection, third active regions around the first active regions in the first well and doped with the second conductivity-type impurities, and fourth active regions around the second active regions outside the first well and doped with the first conductivity-type impurities, wherein at least one of the third active regions and at least one of the fourth active regions are electrically connected to each other through a third interconnection.

Patent Agency Ranking