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    • 39. 发明授权
    • Stack semiconductor chip package and lead frame
    • 堆叠半导体芯片封装和引线框架
    • US06724074B2
    • 2004-04-20
    • US10289668
    • 2002-11-06
    • Young-Hee SongHai-Jeong SohnIll-Heung ChoiSung-Ho Hong
    • Young-Hee SongHai-Jeong SohnIll-Heung ChoiSung-Ho Hong
    • H01L23495
    • H01L23/49575H01L23/4951H01L24/45H01L24/48H01L2224/32245H01L2224/451H01L2224/48091H01L2224/48247H01L2224/4826H01L2224/48465H01L2224/73215H01L2924/00014H01L2924/01055H01L2924/14H01L2924/181H01L2924/18165H01L2924/00H01L2924/00015H01L2224/05599
    • A stack package has a lead frame and first and second stacked chips. The lead frame comprises first and second lead groups respectively corresponding to the first and second chips and a plurality of external connection terminals for electrically interconnecting the first and second chips to an external device. Each of the first and second chips has its own common and independent electrode pads, and each of the first and second lead groups has its own common and independent leads. The common leads and the common electrode pads are for address and control signals to and from the first and second chips, and the independent leads and the independent electrode pads are for data input and output to and from the first and second chips. The common leads of the first lead group and the common leads of the second lead group are commonly interconnected to be connected to an identical external connection terminal of the plurality of external connection terminals, and the independent leads of the first lead group and the independent leads of the second lead group are connected to different external connection terminal. The first and second chips are disposed symmetrically with respect to the common leads and face each other with their backsides. The stack package can be implemented by using two memory devices and two lead frames of LOC type and can increase two times the memory capacity and bit structure.
    • 堆叠包装具有引线框架和第一和第二堆叠芯片。 引线框架包括分别对应于第一和第二芯片的第一和第二引线组以及用于将第一和第二芯片电连接到外部设备的多个外部连接端子。 第一和第二芯片中的每一个具有其自己的共同和独立的电极焊盘,并且第一和第二引线组中的每一个具有其自己的共同和独立引线。 公共引线和公共电极焊盘用于来自第一和第二芯片的地址和控制信号,独立引线和独立电极焊盘用于数据输入和输出到第一和第二芯片。 第一引线组和第二引线组的公共引线的公共引线通常互连以连接到多个外部连接端子的相同的外部连接端子,并且第一引线组和独立引线的独立引线 的第二引线组连接到不同的外部连接端子。 第一芯片和第二芯片相对于公共引线对称地设置并且以它们的背面彼此面对。 可以通过使用两个存储器件和LOC型的两个引线框来实现堆栈封装,并且可以增加存储器容量和位结构的两倍。