我一直对空间着迷。
作为流星的巨大银河之美在晴朗的天空中奔跑。
在一个温暖的夏日夜晚，观察尽可能多的行星，我的眼睛可以看到，并在穿过新鲜修剪的草坪时描绘出众多的星座。
我记得看过尼尔阿姆斯特朗在1969年创造历史，看到哈勃太空望远镜在发射前就安置在干净的房间里。
我对成功的火星好奇号任务感到非常激动，这项为期9个月的3.5亿英里之旅将继续为这颗红色星球带来难以置信的影像。
太阳系和超越的东西将永远引起我的兴趣。
好奇漫游者手臂相机的自画像。
图片来源：NASA / JPL-Caltech / Malin Space Science Systems
60多年前，科学家和工程师开始从事太空探索工作。
1957年，俄罗斯发射了第一颗人造地球卫星Sputnik 1。
Sputnik 1.信用NASA / Asif A. Siddiqi
这一努力的惊人成功引发了两个超级大国之间的太空竞赛。
发射携带卫星和宇航员进入太空的火箭的概念似乎是合理的;
毕竟自1903年以来我们一直在驾驶动力飞机。解决方案是否像创造能够将太空飞行器推向我们大气层的引擎一样简单？
还是在太空旅行成为现实之前还有其他因素可以发挥作用吗？
无论如何有什么？
科学家们一直在研究宇宙，就像记录时间一样。
一个关键的发现是宇宙射线，高能辐射源于我们的宇宙之外。
宇宙射线引起了科学界的极大兴趣，因为它们对微电子和大气和磁场保护之外的生命造成了破坏。
宇宙射线具有足够的能量来改变电子集成电路中的电路元件的状态，导致发生瞬时错误，例如电子存储器设备中的数据损坏，或者CPU的不正确性能，通常被称为“软错误”。
在超过200公里的任务高度，地球大气层通过辐射吸收和被困辐射磨损提供很少的保护。
解决这种电子现象是载人航天器星际旅行所面临的最重要问题之一。
解决宇宙线的困境
科学家们已经采用了许多减少宇宙射线影响的方法。
诸如航天器的物理或磁屏蔽等策略有助于最大限度地减少对电子电路的干扰。
其他方法包括使用辐射免疫微电子学。
安森美半导体提供对设计辐射强化（RHBD）解决方案，对空间和Hi-Rel应用至关重要。
该产品采用该公司的110 nm数字专用集成电路（ASIC）工艺，包括一种称为自恢复逻辑（SRL）的新型触发器架构。
SRL在高线性能量传输（LET）下仍然难以实现单事件效应，同时工作频率高达700 MHz，远远超过传统RHBD触发器架构的能力。
SRL单元内置冗余，能够修复软错误和硬错误，并且可扫描以消除制造缺陷，在低于100 MeV-cm2 / mg（Si）的LET阈值时，没有发现单一事件闩锁。
具有板上纠错码（ECC），硬化时钟元件，高速I / O单元和单事件锁存保护单元的抗闩锁双端口SRAM扩展了设计组合。
经验证的Rad-Hard空间解决方案
安森美半导体拥有广泛的设计解决方案，可减轻辐射影响。
强化的IP和经过验证的商业ASIC开发流程相结合，可实现满足各种应用的设计和应用需求的结果。
该公司的ASIC传统跨越五十年，包括数以千计的规范设计，客户互动和FPGA转换成功案例。
增加110nm RHBD功能使安森美半导体能够扩展我们的ASIC传统并满足现有和新客户的需求。
经过漫长的一天，花些时间看向天空。
看看你能找到多少个行星和星座。
计算在你眼前飞奔的流星数量。
当您欣赏天空中的壮观灯光表演时，请放心，安森美半导体将继续开发新威廉希尔官方网站
，将空间带回家。
分享你的意见！
我欢迎你的评论。
告诉我你对太空探索的回忆。
太空旅行的梦想，努力使其成为现实，或实际超越我们的氛围？
给我留言，让我兴奋不已！
以上来自于谷歌翻译
以下为原文
I have always been fascinated with space. The beauty of the vast Milky Way as a shooting star races across a clear sky. Spotting as many planets as my eyes can see, and tracing out the numerous constellations while lying across the freshly mowed lawn on a wARM summer evening. I remember watching Neil Armstrong make history in 1969, and seeing the Hubble Space Telescope housed in a clean room prior to launch. I am thrilled with the successful Mars Curiosity mission, a nine-month 350 million mile journey that continues to beam home incredible images from the red planet. The solar system and what lies beyond will forever intrigue me.
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Self Portrait by Curiosity Rover Arm Camera. Credit: NASA/JPL-Caltech/Malin Space Science Systems
Scientists and engineers began working on space exploration over 60 years ago. In 1957, Russia launched the first artificial Earth satellite, Sputnik 1.
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Sputnik 1. Credit NASA/Asif A. Siddiqi
The surprise success of this endeavor triggered a space race between two superpowers. The concept of launching rockets carrying satellites and astronauts into space seemed plausible; after all we had been flying powered aircraft since 1903. Was the solution as simple as creating an engine capable of thrusting a space vehicle beyond our atmosphere? Or were there other factors that would come into play before space travel would become a reality?
What’s Out There Anyway?
Scientists have been studying the universe as far back as recorded time. One key discovery was cosmic rays, high energy radiation which originates outside of our universe. Cosmic rays attract great interest in the scientific community because of the damage they inflict on microelectronics and life outside the protection of an atmosphere and magnetic field. Cosmic rays have sufficient energy to alter the states of circuit components in electronic integrated circuits, causing transient errors to occur, such as corrupted data in electronic memory devices, or incorrect performance of CPUs, often referred to as "soft errors". At mission altitudes above 200 km, the earth’s atmosphere offers little protection by way of radiation absorption and trapped radiation attrition. Solving this electronic phenomenon is one of the most important issues facing interplanetary travel by crewed spacecraft.
Solving the Cosmic Ray Predicament
Scientists have dabbled in a number of methods to reduce effects from cosmic rays. Strategies such as physical or magnetic shielding of spacecraft help to minimize disruptions to electronic circuits. Additional methods include the use radiation immune microelectronics. ON Semiconductor offers Radiation Hardened by Design (RHBD) solutions critical for space and Hi-Rel applications. Available in the company’s 110 nm digital Application Specific Integrated Circuit (ASIC) processes, the design offering includes a novel flip-flop architecture called Self Restoring Logic (SRL). SRL remains hard to single event effects at high Linear Energy Transfer (LET) while operating up to 700 MHz, far exceeding the capability of legacy RHBD flip-flop architectures. Built in redundancy, ability to repair soft and hard errors, and scanable to remove manufacturing defects, the SRL cell showed no single event latch-up below a LET threshold of 100 MeV-cm2/mg (Si). A latch-up resistant Dual Port SRAM with on-board error correction code (ECC), hardened clock elements, high speed I/O cells and a single event latch up protection cell expand the design portfolio.
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Proven Rad-Hard Solutions for Space
ON Semiconductor has a wide range of design solutions to mitigate radiation effects. Hardened IP and a proven commercial ASIC development flow combine to achieve results that meet the design and application needs of a wide range of applications. The company’s ASIC legacy spans five decades and includes thousands of design-from-spec, customer interactive, and FPGA conversion success stories. The addition of 110nm RHBD capabilities enables ON Semiconductor to expand our ASIC heritage and service the needs of existing and new customers.
After a long day, take time to look toward the heavens. See how many planets and constellations you can find. Count the number of shooting stars that dart before your eyes. And as you enjoy the magnificent light show in the sky, rest assured that ON Semiconductor continues to develop new technologies to bring space a little closer to home.
Share your Thoughts!
I welcome your comments. Tell me about your memories of space exploration. Dreams of space travel, worked on making it a reality, or actually travelled beyond our atmosphere? Drop me a line and fill me in on the excitement!
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