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    • 74. 发明专利
    • Large multiplier for programmable logic device
    • 用于可编程逻辑器件的大型多路复用器
    • JP2012248208A
    • 2012-12-13
    • JP2012172915
    • 2012-08-03
    • Altera Corpアルテラ コーポレイションAltera Corporation
    • LANGHAMMER MARTINTHARMALINGAM KUMARA
    • G06F7/52
    • G06F7/52G06F7/5324
    • PROBLEM TO BE SOLVED: To provide special processing blocks for a programmable logic device (PLD) with logic for reducing or eliminating dependence on a universal programmable resource of the PLD by facilitating execution of a larger multiplication than the one to be executed in a single block.SOLUTION: A plurality of special processing blocks in a PLD including multipliers, and circuitry for an adder which adds results of the multipliers are constituted as larger multipliers by adding selectable circuitry for shifting the results of the multipliers before addition to the special processing blocks. In one embodiment, this fact allows that all except the final addition are performed in the special processing blocks, and the final addition is performed in programmable logic. In another embodiment, circuitry of additional compression and addition allows that even the final addition is performed in the special processing blocks.
    • 要解决的问题:为可编程逻辑器件(PLD)提供特殊的处理块,其具有用于通过促进执行比要执行的PLD更大的乘法来减少或消除对PLD的通用可编程资源的依赖性的逻辑 单块。 解决方案:包括乘法器的PLD中的多个特殊处理块和用于加法乘法器的结果的加法器的电路被构成为较大的乘法器,通过增加用于在乘法器的结果之前移位乘法器的特定处理的可选择电路 块。 在一个实施例中,这个事实允许在特殊处理块中执行除了最终加法之外的所有其它事件,并且以可编程逻辑执行最后的加法。 在另一个实施例中,附加压缩和附加的电路允许即使在特殊处理块中执行最终添加。 版权所有(C)2013,JPO&INPIT
    • 78. 发明专利
    • Process/design methodology to enable high performance logic and analog circuits using single process
    • 使用单一过程实现高性能逻辑和模拟电路的过程/设计方法
    • JP2012119701A
    • 2012-06-21
    • JP2012003044
    • 2012-01-11
    • Altera Corpアルテラ コーポレイションAltera Corporation
    • QI XIANGALBERT RATNAKUMARJEFFREY XIAOCHI TANGWEICH DIN
    • H01L21/822H01L21/8238H01L27/04H01L27/092H03F3/343
    • G05F3/205H01L29/1083H01L29/6659H01L29/7833
    • PROBLEM TO BE SOLVED: To provide a method and apparatus for improving analog circuits performance on a mixed-signal process.SOLUTION: A method for improving analog circuits performance using a circuit design using forward bias and a modified mixed-signal process is presented. A circuit including plurality of NMOS and PMOS transistors is defined. The body terminal of the NMOS transistors are coupled to a first voltage source, and the body terminal of the PMOS transistors are coupled to a second voltage source. Transistors in the circuit are selectively biased by applying the first voltage source to the body terminal of each selected NMOS transistor and applying the second voltage source to the body terminal of each selected PMOS transistor. In one embodiment, the first voltage source and the second voltage source are modifiable to provide forward and reverse bias to the body terminal of the transistors.
    • 要解决的问题:提供一种用于在混合信号处理中提高模拟电路性能的方法和装置。 提出了一种使用正向偏置电路设计和改进的混合信号处理来提高模拟电路性能的方法。 定义了包括多个NMOS和PMOS晶体管的电路。 NMOS晶体管的主体端子耦合到第一电压源,并且PMOS晶体管的主体端子耦合到第二电压源。 通过将第一电压源施加到每个选定的NMOS晶体管的主体端子并将第二电压源施加到每个选择的PMOS晶体管的主体端子来选择性地偏置电路中的晶体管。 在一个实施例中,第一电压源和第二电压源是可修改的,以向晶体管的主体端子提供正向和反向偏置。 版权所有(C)2012,JPO&INPIT