This 66-year-old precursor to USB refuses to become obsolete ...

The R2A20150NP/SA is a CMOS 8-bit I/O expander, which has serial to parallel and parallel to serial data converting functions. It can communicate with a microcontroller via few wiring thanks to the ...

The PC has had its fair share of bus slots. What started with the ISA bus has culminated, so far, in PCI Express slots, M.2 slots, and a few other mechanisms to connect devices to your computer ...

If you've been using computers for more than a couple of decades, you've probably used a serial port to attach peripherals like your mouse and modem. Until the USB standard rendered them obsolete in ...

This is just a general question. I know, obviously, that there are RS-232 "serial ports" and IEEE 1284/Centronix ports "parallel ports," and that these are "digital" connections. Then you have things ...

USB is an industry standard developed for the connection of electronic peripherals such as keyboard, mice, modems, and hard drives to a computer. This standard was developed in order to replace larger ...

This article is part of Now and Then series and part of Electronic Design's 70th Anniversary series. Processors and memory have changed radically over the past 70 years, but the variability of those ...