A Benchmark of Cryo-CMOS Embedded SRAM/DRAMs in 40-nm CMOS
Rob A. Damsteegt,
Ramon W. J. Overwater,
Masoud Babaie
et al.
Abstract:The interface electronics needed for quantum processors require cryogenic CMOS (cryo-CMOS) embedded digital memories covering a wide range of specifications. To identify the optimum architecture for each specific application, this article presents a benchmark from room temperature (RT) down to 4.2 K of custom SRAMs/DRAMs in the same 40-nm CMOS process. To deal with the significant variations in device parameters at cryogenic temperatures, such as the increased threshold voltage, lower subthreshold leakage, and… Show more
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