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首页> 外文期刊>IEEE Journal of Solid-State Circuits >A 550-ps access 900-MHz 1-Mb ECL-CMOS SRAM
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A 550-ps access 900-MHz 1-Mb ECL-CMOS SRAM

机译:550ps访问900MHz 1-Mb ECL-CMOS SRAM

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An ultrahigh-speed 1-Mb emitter-coupled logic (ECL)-CMOS SRAM withn550-ps clock-access time, 900-MHz operating frequency, andn12-Μm2 memory cells has been developed using 0.2-ΜmnBiCMOS technology. Three key techniques for achieving the ultrahighnspeed are a BiCMOS word decoder/driver with an nMOS level-shift circuit,na sense amplifier with a voltage-clamp circuit, and a BiCMOS writencircuit with a variable-impedance bitline load. The proposed wordndecoder/driver and sense amplifier can reduce the delay times of thencircuits to 54% and 53% of those of conventional circuits. The BiCMOSnwrite circuit can reduce the power dissipation of the circuit by 74%nwithout sacrificing writing speed. These techniques are especiallynuseful for realizing ultrahigh-spaced high-density SRAMs, which will benused as cache and control memories in mainframe computers
机译:利用0.2μmnBiCMOS技术开发了具有n550ps时钟访问时间,900MHz工作频率和n12μm2存储单元的超高速1Mb发射极耦合逻辑(ECL)-CMOS SRAM。实现超高速的三项关键技术是具有nMOS电平移位电路的BiCMOS字解码器/驱动器,具有电压钳位电路的na读出放大器和具有可变阻抗位线负载的BiCMOS写电路。所提出的字解码器/驱动器和读出放大器可以将电路的延迟时间减少到传统电路的54%和53%。 BiCMOSnwrite电路可以在不牺牲写入速度的情况下将电路的功耗降低74%。这些技术对于实现超高空间高密度SRAM特别有用,它将被用作大型机中的缓存和控制存储器

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