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引用次数: 6
摘要
采用快速单通量量子(RSFQ)逻辑设计了首个目标时钟频率为17-20 GHz的单芯片超导体Flux -1微处理器原型，并采用低温4 kA/ cm2、1.75 μm Nb/AlOx/Nb Josephson结技术制造。FLUX-1芯片是一种8位深度流水线微处理器，采用新的并行分区架构，可以容忍互连延迟，并通过操作填充长FLUX-1管道。FLUX-1芯片在10.6 mm x 13.2 mm的倒装芯片封装上包含65,759个约瑟夫森结。第一批FLUX-1芯片于2001年制造，目前正在TRW进行测试。
A 20-GHz FLUX-1 superconductor RSFQ microprocessor
The first single-chip superconductor FLUX-1 microprocessor prototype with a target clock frequency of 17-20 GHz has been designed in the Rapid Single Flux Quantum (RSFQ) logic and fabricated using low-temperature 4 kA/cm 2 , 1.75-μm Nb/AlOx/Nb Josephson junction technology. A FLUX-1 chip represents an 8-bit deeply pipelined microprocessor with a new parallel partitioned architecture that has been developed to tolerate interconnect delays and fill long FLUX-1 pipelines with operations. A FLUX-1 chip contains 65,759 Josephson junctions on a 10.6 mm x 13.2 mm die with flip-chip packaging. First FLUX-1 chips fabricated in 2001 are currently under testing at TRW.
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