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首页> 外文期刊>IEEE Journal of Solid-State Circuits >A 0.25-/spl mu/m CMOS 0.9-V 100-MHz DSP core
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A 0.25-/spl mu/m CMOS 0.9-V 100-MHz DSP core

机译:0.25 / splμ/ m CMOS 0.9-V 100MHz DSP内核

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This paper describes a 0.25-/spl mu/m CMOS 0.9-V 100-MHz DSP core which is composed of a 2-mW 16-b multiplier-accumulator and a 1.5-mW 8-kb SRAM. High-speed operation with a supply of less than 1 V has been achieved by developing 0.25-/spl mu/m CMOS technology, reducing threshold voltage to 0.3 V, developing tristate inverter 3-2/4-2 adders for the multiplier, realizing small bit-line swing operation for the SRAM, and so on. The adder circuits operate faster than conventional adders at low supply voltages. In addition, short-circuit current and area for diffusion contact are reduced. Small bit-line swing operation has been realized by using a device-deviation immune sense amplifier. Leakage current during sleep mode was reduced by the use of high threshold voltage MOSFETs.
机译:本文介绍了一个0.25- / spl mu / m CMOS 0.9-V 100-MHz DSP内核,该内核由一个2mW的16b乘法累加器和一个1.5mW的8kb SRAM组成。通过开发0.25- / spl mu / m CMOS技术,将阈值电压降低到0.3V,开发用于乘法器的三态反相器3-2 / 4-2加法器,实现了电源电压低于1V的高速工作SRAM的小位线摆动操作,依此类推。在低电源电压下,加法器电路的运行速度比传统加法器快。另外,减小了短路电流和用于扩散接触的面积。使用器件偏差免疫检测放大器已经实现了小的位线摆幅操作。通过使用高阈值电压MOSFET减少了休眠模式下的漏电流。

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