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    • 5. 发明申请
    • FLEXIBLE, SPACE-EFFICIENT I/O CIRCUITRY FOR INTEGRATED CIRCUITS
    • 集成电路灵活,高效的I / O电路
    • WO2014052274A1
    • 2014-04-03
    • PCT/US2013/061317
    • 2013-09-24
    • BAYSAND INC.
    • PARKS, Jonathan, C.LIEW, Yin, HaoLEE, Kok, SeongWERFELLI, Salah, M
    • H01L21/82H01L27/04H01L21/822
    • H01L24/06H01L23/50H01L23/5286H01L23/60H01L27/0296H01L27/11898H01L2224/0401H01L2224/04042H01L2224/05552H01L2224/05553H01L2224/05554H01L2224/06133
    • Flexible, space-efficient I/O architectures for integrated circuits simplify circuit design and shorten design times. In one aspect, cells for power supply pads are eliminated, in part by locating ESD protection circuitry for these pads underneath the pads themselves, leaving only signal I/O buffers. Pads coupled to the signal I/O buffers may be defined as either signal I/O pads or power supply pads in accordance with customization circuitry. Customization circuitry provides for flexible bank architectures, where signal I/O buffers within a bank share power supply requirements that may be different from power supply requirements of signal I/O buffers of another bank. The number of banks and the number of signal I/O buffers belonging to each bank is flexibly defined. Customization circuitry provides for flexible pad options, whereby the IC pads may be configured for different packaging technology, for example, for wire bonding for flip-chip bonding, or for other types of bonding.
    • 灵活,节省空间的集成电路I / O架构简化了电路设计并缩短了设计时间。 在一个方面,消除用于电源焊盘的电池,部分地通过将这些焊盘的ESD保护电路定位在焊盘本身下方,仅留下信号I / O缓冲器。 耦合到信号I / O缓冲器的焊盘可以根据定制电路被定义为信号I / O焊盘或电源焊盘。 定制电路提供灵活的银行体系结构,其中银行内的信号I / O缓冲区共享电源要求,可能与另一银行的信号I / O缓冲区的电源要求不同。 灵活地定义了存储体的数量和属于每个存储体的信号I / O缓冲器的数量。 定制电路提供灵活的焊盘选项,由此IC焊盘可以被配置用于不同的封装技术,例如用于倒装芯片焊接的引线接合或用于其它类型的接合。