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Small Business Innovation Research/Small Business Tech Transfer

Radiation Hard Monolithic SDRAM to Support DDR2 and DDR3 Architectures

Completed Technology Project
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Project Description

Radiation hard Monolithic SDRAM to support DDR2 and DDR3 architectures Project Image
There is no rad hard SDRAM currently available to support DDR2 and DDR3 applications. Space Micro proposes to build a radiation hardened by design (RHBD) SDRAM memory, using a modified version of our HF-Core Memory Controller to solve all the single event effects issues (SEU, SEFI and multiple bit errors). The RHBD SDRAM will be manufactured on known radiation characterized eDRAM (embedded DRAM) ASIC processes: either TSMC or IBM for a Phase II demonstration. The resulting RH-eDRAM (our name for this device), fabricated on a 130 nm process, provides 128 Mbit of radiation hardened (SEU, SEFI, SEL and TID) memory, while a 90 nm IBM process would result in 512 Mbit of DRAM. The RH-eDRAM solves the space reliability problems with a well-understood set of solutions applied: More »

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