该文件为美国军用电子元器件可靠性预计手册官方影印版。国内的军用可靠性预计手册与该手册具有绝大多数相同的内容。可以作为可靠性预计的学习文档。

SPI Specification，内文详细介绍了SPI的各种时序关系。可用于C或Verilog的开发。

PDF最新标准，PDF 2.0规范，PDF 2.0 specification，PDF 2.0 reference

ATX规范，ATX was developed as an evolution of the Baby-AT form factor and was defined to address four major areas of improvement: enhanced ease-of-use, better support for current and future I/O, better support for current and future processor technology, and reduced total system cost

The Original USB 2.0 specification released on April 27, 2000 USB 2.0 Adopters Agreement Errata to the USB 2.0 specification as of December 7, 2000 Mini-B connector Engineering Change Notice to the USB 2.0 specification Pull-up/pull-down Resistors Engineering Change Notice to the USB 2.0 specification Errata to the USB 2.0 specification as of May 28, 2002 Interface Association Descriptor Engineering Change Notice to the USB 2.0 specification Rounded Chamfer Engineering Change Notice to the USB 2.0 specification as of October 8, 2003 Unicode Engineering Change Notice to the USB 2.0 specification as of February 21, 2005 Inter-Chip USB Supplement Revision 1.0 as of March 13, 2006 Micro-USB Cables and Connectors Specification Revision 1.01 as of April 4, 2007 and corresponding Adopters Agreement USB 2.0 Link Power Management Addendum Engineering Change Notice to the USB 2.0 specification as of July 16, 2007 High-Speed Inter-Chip USB Electrical Specification Revision 1.0 as of September 23, 2007 Suspend Current Limit Changes Engineering Change Notice to the USB 2.0 Specification as of April 9, 2008 5V Short Circuit Withstand Requirement Change Engineering Change Notice to the USB 2.0 Specification as of December 22, 2008 Device Capacitance Engineering Change Notice to the USB 2.0 Specification as of December 22, 2008 Material Change Engineering Change Notice to the USB 2.0 Specification as of December 22, 2008 USB 2.0 Phase-locked SOFs Engineering Change Notice to the USB 2.0 Specification as of December 22, 2008 Micro-USB Micro-B ID Pin Resistance and Tolerance stack-up between D+ and D- Engineering Change Notice to the MicroUSB Specification to the USB 2.0 Specification, Revision 1.01 as of December 22, 2008 Quad Type Cable Additional for Micro USB ECN as of December 29, 2009 Clarification on the Chamfer on USB 2.0 Micro Connectors ECN as of March 23, 2010 Maximum Unmating Force Value Definition to USB 2.0 Micro Connectors ECN as of March 23, 2010 "On-The-Go Supplement