An AC-coupled 3D memory interface for chip-to-chip communication is implemented in 90nm CMOS technology. It transfers 128 bit words between stacked SRAMs in an ARMbased System on Chip (SoC) platform at 250MHz. This interface requires 0.05mm 2 of occupation area and achieves a 32Gbit/sec of throughput and an average energy consumption of 35μW/Gbit/sec.
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