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Non-volatile Memories (NVMs), such as PCM and ReRAM, have been widely proposed for future main memory design because of their low standby power, high storage density, fast access speed. However, these NVMs suffer from the write endurance problem. In order to prevent a malicious program from wearing out NVMs deliberately, researchers have proposed various wear-leveling methods, which remap logical...
As various non-volatile memory (NVM) technologies have been adopted in different levels of memory hierarchy, the security issue of protecting information retained in NVM after power-off has become a new challenge, which results in extensive research on data encryption for NVM. Previous encryption approaches, however, have some limitations, such as high design complexity and non-trivial timing and...
Racetrack memory is an emerging non-volatile memory based on spintronic domain wall technology. It can achieve ultra-high storage density. Also, its read/write speed is comparable to that of SRAM. Due to the tape-like structure of its storage cell, a “shift” operation is introduced to access racetrack memory. Thus, prior research mainly focused on minimizing shift latency/energy of racetrack memory...
Oblivious RAM (ORAM) is a cryptographic primitive that can prevent information leakage in the access trace to untrusted external memory. It has become an important component in modern secure processors. However, the major obstacle of adopting an ORAM design is the significantly induced overhead in memory accesses. Recently, Path ORAM has attracted attentions from researchers because of its simplicity...
Emerging non-volatile memories (NVMs) have been considered as promising alternatives of DRAM for future main memory design. The NVM main memory has advantages of low standby power, high density, and good scalability. Its non-volatility, however, induces a security design challenge that data retained in memory after power-off need to be protected from malicious attacks. Although several approaches...
It is needed to transmit a large amount of image information stably at a high speed for storage and process when design a testing system. Image data acquired by remote CCD can be transmitted serially in form of LVDS or Hotlink. The data is buffered by ping-pong operation with two SRAMs. And then it is serially transmitted at a high speed to the grabber via Camera Link interface. The grabber can acquire...
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