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Environmental illumination spans many log units of intensity and is tracked for essential functions that include regulation of the circadian clock, arousal state, and hormone levels. Little is known about the neural representation of light intensity and how it covers the necessary range. This question became accessible with the discovery of mammalian photoreceptors that are required for intensity-driven...
Migration of existing enterprise applications to the Cloud requires substantial adaptation effort in individual architectural components. Existing work has focused on migrating the application with functional and non-functional aspects. However, none of them has focused so far on the adaptation of security and privacy. In our previous work, Identity-as-a-service (IDaaS) decouples Authentication and...
Mammals rely upon three ocular photoreceptors to sense light: rods, cones, and intrinsically photosensitive retinal ganglion cells (ipRGCs). Rods and cones resolve details in the visual scene. Conversely, ipRGCs integrate over time and space, primarily to support “non-image” vision. The integrative mechanisms of ipRGCs are enigmatic, particularly since these cells use a phototransduction motif that...
Electrical and radiation test results will be presented on a deep submicron radiation hardened 16 Mb SRAM IC. The significant technology development and device design challenges will be chronicled from initial SEE modeling, to testchip hardware, to final electrical characterization and radiation test validation. Model to hardware correlation results and model validation will be described. These results...
A new high density, high performance 16-Mb static random access memory (SRAM) is being developed in a 0.15 mum CMOS RH15 technology for use in space and other strategic radiation hardened applications. The SRAM design is implemented in a 1.5 Volt, 0.15 micron and seven-layer metal CMOS technology. Using integrated process features and advanced design techniques, a small cell size of 9.3 mum2 was utilized...
There is an ever-present focus on increasing the functional density of components used in space electronics, that is, putting more functional capacity in smaller, lighter packages. Packages with small footprints use less board area, potentially reducing system mass. High-density devices may reduce the total required chip count, further eliminating mass and improving system reliability. Low power devices...
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