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    • 3. 发明申请
    • SELF PROGRAMMABLE SHARED BIST FOR TESTING MULTIPLE MEMORIES
    • 自我可编程共享的测试多个记忆的BIST
    • US20080059850A1
    • 2008-03-06
    • US11848107
    • 2007-08-30
    • Swapnil Bahl
    • Swapnil Bahl
    • G11C29/12G06F11/27
    • G11C29/16G06F11/27G11C2029/0401
    • A built-in self-test (BIST) device tests multiple embedded memories of different characteristics. The BIST includes a BIST controller, a delay generator, multiple interface modules, and a memory wrapper. The BIST controller generates an initialization sequence and a memory test algorithm. The delay generator provides a delay of an expected data, a valid signal, a BBAD signal, a BEND signal, and a BFAIL signal. The multiple interface modules provide signal pipelining for multiple memories through a bus. The bus carries signals form the BIST device to multiple memories and vice-versa. The memory wrapper decodes a selected memory for decompressing a memory data signal generated by said BIST device and further compresses a memory output signal.
    • 内置的自检(BIST)设备可以测试不同特性的多个嵌入式存储器。 BIST包括一个BIST控制器,一个延迟发生器,多个接口模块和一个内存包装器。 BIST控制器生成初始化序列和存储器测试算法。 延迟发生器提供期望数据,有效信号,BBAD信号,BEND信号和BFAIL信号的延迟。 多个接口模块通过总线为多个存储器提供信号流水线。 总线将信号从BIST设备传送到多个存储器,反之亦然。 存储器包装器对所选择的存储器进行解码,以解压缩由所述BIST设备生成的存储器数据信号,并进一步压缩存储器输出信号。
    • 9. 发明授权
    • Self programmable shared bist for testing multiple memories
    • 用于测试多个存储器的自编程共享双绞线
    • US07814385B2
    • 2010-10-12
    • US11848107
    • 2007-08-30
    • Swapnil Bahl
    • Swapnil Bahl
    • G01R31/28
    • G11C29/16G06F11/27G11C2029/0401
    • A built-in self-test (BIST) device tests multiple embedded memories of different characteristics. The BIST includes a BIST controller, a delay generator, multiple interface modules, and a memory wrapper. The BIST controller generates an initialization sequence and a memory test algorithm. The delay generator provides a delay of an expected data, a valid signal, a BBAD signal, a BEND signal, and a BFAIL signal. The multiple interface modules provide signal pipelining for multiple memories through a bus. The bus carries signals form the BIST device to multiple memories and vice-versa. The memory wrapper decodes a selected memory for decompressing a memory data signal generated by said BIST device and further compresses a memory output signal.
    • 内置的自检(BIST)设备可以测试不同特性的多个嵌入式存储器。 BIST包括一个BIST控制器,一个延迟发生器,多个接口模块和一个内存包装器。 BIST控制器生成初始化序列和存储器测试算法。 延迟发生器提供期望数据,有效信号,BBAD信号,BEND信号和BFAIL信号的延迟。 多个接口模块通过总线为多个存储器提供信号流水线。 总线将信号从BIST设备传送到多个存储器,反之亦然。 存储器包装器对所选择的存储器进行解码,以解压缩由所述BIST设备生成的存储器数据信号,并进一步压缩存储器输出信号。
    • 10. 发明授权
    • Configurable length first-in first-out memory
    • 可配置长度先进先出存储器
    • US07321520B2
    • 2008-01-22
    • US11394874
    • 2006-03-31
    • Swapnil BahlBalwant Singh
    • Swapnil BahlBalwant Singh
    • G11C7/00
    • G06F5/10G06F2205/063
    • A configurable length first-in first-out (FIFO) memory includes a memory core for storing data, a write address counter connected to the memory core for counting locations for writing the data to be stored, and a read address counter connected to the memory core for counting the locations for reading the stored data. The read address counter includes a comparator for generating a synchronous reset for itself. A selector is connected to the comparator for selecting a user defined FIFO length, or a pre-programmed write address counter length.
    • 可配置长度先进先出(FIFO)存储器包括用于存储数据的存储器核心,连接到存储器核心的写地址计数器,用于计数用于写入要存储的数据的位置,以及连接到存储器的读地址计数器 用于计数读取存储数据的位置的核心。 读地址计数器包括用于自身产生同步复位的比较器。 选择器连接到比较器,用于选择用户定义的FIFO长度,或预编程的写入地址计数器长度。