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    • 3. 发明申请
    • BIAS VOLTAGE DISTRIBUTION SYSTEM
    • 偏置电压分配系统
    • WO9427204A3
    • 1995-01-19
    • PCT/US9404614
    • 1994-04-28
    • MICROUNITY SYSTEMS ENG
    • HERNDON WILLIAM H
    • G05F3/24H03K19/00H03K19/086G05F1/577
    • G05F3/24
    • The present invention describes a bias potential distribution system which provides bias potentials to MOS devices while ensuring the devices' operating conditions remain constant over temperature, process, and power supply fluctuations. Further, bias potentials are generated at one main location within the logic circuit and then distributed throughout the logic circuit to all of the MOS devices or to bias voltage conversion circuits.
    • 一种偏置发生和分配系统,其中在逻辑电路内的一个主要位置处产生偏置电位,然后在整个逻辑电路中分配到MOS负载器件,MOS负载网络,其他偏置电压转换中心和逻辑电路。 该系统产生第一偏置电压,其提供用于偏置MOS负载装置和并联MOS负载网络的温度补偿电压。 第一偏置电压发生器包括参考MOS负载装置或参考并联MOS负载网络,其确定第一偏置电压的值。 参考MOS负载网络包括响应于第一组控制信号的交换网络。 可以调整第一组控制信号以改变第一偏置电压的值以补偿过程变化。 第一个偏置电压分配到远程单负载MOS器件或远程并行MOS负载网络。 远程负载网络​​还包括响应于第二组控制信号的交换网络。 可以改变第二组控制信号以根据第一偏置电压的值确定远程MOS负载网络的电阻率。 该系统还产生第二温度补偿偏置电压,其与第一偏置电压一起使用以偏置远程偏置转换电路。 远程转换电路产生与第一偏置电压一起被利用以偏置远程逻辑门的第三偏置电压。 第一偏置电压偏置逻辑门的MOS电阻负载,第三偏置电压偏置逻辑门的MOS电流器件。 第二偏置电压发生器和远程转换电路由可控开关网络实现,从而可以执行逻辑门的电流和逻辑摆幅调整。
    • 7. 发明申请
    • VIRTUAL MEMORY SYSTEM WITH LOCAL AND GLOBAL VIRTUAL ADDRESS TRANSLATION
    • 具有本地和全球虚拟地址翻译的虚拟内存系统
    • WO9714084A3
    • 1997-10-23
    • PCT/US9616297
    • 1996-10-10
    • MICROUNITY SYSTEMS ENGHANSEN CRAIG C
    • HANSEN CRAIG C
    • G06F12/02G06F12/10G06F12/14G06F
    • G06F12/0284G06F12/1045G06F12/1491
    • A virtual memory system including a local-to-global virtual address translator for translating local virtual addresses having associated task specific address spaces into global virtual addresses corresponding to an address space associated with multiple tasks, and a global virtual-to-physical address translator for translating global virtual addresses to physical addresses. Local-to-global virtual translation is performed by either mapping local virtual addresses to a single global virtual address space or to multiple global virtual address spaces. The local-to-global virtual translator includes a cell which corresponds to each local address space for performing the translations. Separate cache and tag structures are employed for handling data and instruction memory accesses. The cache can be configured into a buffer portion or a cache portion for faster cache accesses. Protection information is provided by each of the local virtual-to-global virtual address translator, the global virtual-to-physical address translator, the cache tag storage, or a protection information buffer depending on whether a cache hit, cache miss, or buffer access occurs during a given data or instruction access. Memory area privilege protection is also achieved by employing a gateway instruction which generates an address to access a gateway storage area.