发明授权
US07646083B2 I/O connection scheme for QFN leadframe and package structures
有权
QFN引线框架和封装结构的I / O连接方案
- 专利标题: I/O connection scheme for QFN leadframe and package structures
- 专利标题(中): QFN引线框架和封装结构的I / O连接方案
-
申请号: US12059526申请日: 2008-03-31
-
公开(公告)号: US07646083B2公开(公告)日: 2010-01-12
- 发明人: Fan Yeung , Sam Ziqun Zhao , Nir Matalon , Victor Fong
- 申请人: Fan Yeung , Sam Ziqun Zhao , Nir Matalon , Victor Fong
- 申请人地址: US CA Irvine
- 专利权人: Broadcom Corporation
- 当前专利权人: Broadcom Corporation
- 当前专利权人地址: US CA Irvine
- 代理机构: Fiala & Weaver P.L.L.C.
- 主分类号: H01L23/495
- IPC分类号: H01L23/495
摘要:
Methods, systems, and apparatuses for integrated circuit packages and lead frames are provided. A quad flat no-lead (QFN) package includes a plurality of peripherally positioned pins, a die-attach paddle, an integrated circuit die, and an encapsulating material. The die-attach paddle is positioned within a periphery formed by the pins. The die is attached to the die-attach paddle. The encapsulating material encapsulates the die on the die-attach paddle, encapsulates bond wires connected between the die and the pins, and fills a space between the pins and the die-attach paddle. One or more of the pins are extended. An extended pin may be elongated, L shaped, T shaped, or “wishbone” shaped. The extended pin(s) enable wire bonding of additional ground, power, and I/O (input/output) pads of the die in a manner that does not significantly increase QFN package cost.
公开/授权文献
信息查询
IPC分类: