The IEEE International Solid-State Circuits Conference (ISSCC) is the foremost global forum for presenting advances in solid-state circuits and systems-on-a-chip. Every year since its first issue, the IEEE JOURNAL OF SOLID-STATE CIRCUITS has highlighted some well-received papers from the most recent ISSCC in special issues. The 1.14 B transistor design includes eight 4-issue out-of-order CPUs, shared 8 MB L3 cache, two-levels of on-chip interconnect, DDR controller, four core supplies, and on-board power management. The paper describes design challenges and methodology used in scaling the design from a 65 nm bulk technology to 32 nm and 28 nm processes. Four highly innovative papers were selected from the Energy Efficient Digital sessions at ISSCC 2013. These papers detail some of the leading-edge advancements in energy-efficient digital circuit techniques.
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