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MC74HC138AN Datasheet | Motorola, Inc
Part No. : MC74HC138AN
Description : 1-of-8 Decoder/Demultiplexer
Download : MC74HC138AN Click to Download
Page Number : 7
Manufacturer : Motorola, Inc
File Size : 235 Kb

MC74HC138AN Article About

Although the holiday is over now, but IT is still a lively market share, Xiao Bian today to introduce several affordable, good brand desktop performance, but also for DIY profiteers are ashamed, and also let everyone know that the brand Desktop is nice and strong. Shenzhou-Tang is not only the host computer display screen into one, the appearance of fine; and since the adoption of notebook components, creating a strong inner core, while also bring low power, low-calorie and low noise. National Day after the price cuts were more variety, both just down to 1999 yuan, 15.4 wide and the Tang Dynasty New L100, also has a large capacity hard drive 1G memory 120G L300 Kuangxiang 300 the Tang Dynasty, the whole series of fun waiting for you to value pick. Shenzhou-screen computers on consistent application of the Tang Dynasty innovation, ease of use and stability of the power personal office and small and medium enterprise growth, overall leader after the holiday market. Shenzhou-L100-screen PC Tang perfect storm L100 Tang Yun Cheng 1999 Shenzhou-screen computer monitor into one of the classic appearance of the host, can be integrated with the modern home office and living, more components of the built-in notebook, high effectiveness of low energy consumption, so that the desktop completely bleak. It uses the VIA C7-M processor, 1.5G, 512M DDR-II with the same memory, 40G hard drive, stereo speakers and 15.4-inch widescreen LCD, and now after the price of 200 for only 1999 yuan, to bring low-cost limit set off again in the market, Tang towards the storm.
Content using hardware accelerators to assist in dealing with similar regular expression search of work, you can play the role of the local acceleration, but the overall effect is limited, because the TCP flow state similar to the tracking of various application protocols to identify, locate, and events strategy heavy workload statistics and records, etc. still have to rely on CPU to handle. The development of multi-core processors in recent years, parallel processing technology to provide a broad space, in the integration of multiple cores within a processor has matured, more representative of commercial products is the RMIs XLR series thread processor It integrates up to 8 cores. In the multi-core processor hardware platform, can take advantage of parallel processing technology to improve IPS performance, but the actual performance improvement depends on the IPS method and the parallel degree of parallelism, unfortunately IPS software than hardware to increase parallel one or more physical cores is much more complicated, which involves the work of the operating system concurrency model, and load-sharing traffic, IPS engine, parallel testing, configuration control of the synchronization and competition, events, statistics and so on running state debugging . Here we will parallel those in the IPS problems one by one to explore. First, carriers need to IPS system software - the operating system itself to support parallelism, ie, a stable operating system SMP version. Operating system in the multi-core processor hardware platform, there are two frameworks, one is way SMP, also known as homogeneous way, another way for the AMP, also known as heterogeneous way.

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