This may lead to an ESD event reaching thresholds of tens of thousands of volts. A transfer of electrostatic energy between the host and peripherals may occur when we plug and unplug USBs. ESD Protection of USB 2.0 InterfacesĪt this point, we need to consider an important electrical phenomenon called electrostatic discharge (ESD). Since its introduction, the USB specification has progressed as USB1.1, USB 2.0, USB 3.0, USB 3.1, USB 3.2 (Gen 1, Gen 2, Gen 2x2), USB Type-C supporting Thunderbolt, HDMI and DisplayPort via special modes, and finally, towards USB 4.Įven though successive versions of USB specifications cater to the needs of higher data rates and increased levels of power delivery, USB 2.0 still remains very popular among a multitude of electronic devices such as universal remotes, security panels, printers, cameras, speakers, medical devices, and of course, jump drives. The USB interface has evolved a lot to support modern demands of very high speed communication with host devices and their innovative features. Fast forward a little over two decades, all consumer electronic devices now come with integrated USB interfaces.
Following its release, USB quickly became very popular due to its ease of use and fast data transfer rate.
#Usb security 2.0 serial#
The Universal Serial Bus (USB) was developed by a group of companies in 1994 to replace the multiple slow buses with a single bus that could exchange data between the host system and the peripherals. Two decades ago, communication between a host computer and other devices was a complex and difficult task.
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