The ISL315xE family of 5V powered RS-485/RS-422 transceivers features high output drive and high ESD protection. The devices withstand ±16. 5kV IEC61000-4- 2 ESD strikes without latch-up. The large output voltage of 3. 1V typical into a 54Ω load provides high noise immunity, and enables the drive of up to 8000ft long bus segments, or eight 120Ω terminations in a star topology. These devices possess less than 125μA bus input currents, thus constituting a true 1/8 unit load. The high output drive combined with the low bus input currents allows for connecting up to 512 transceivers on the same bus. The receiver inputs feature a full fail-safe design that turns the receiver outputs high when the bus inputs are open or shorted. The ISL315xE family includes half and full-duplex transceivers with active-high driver-enable pins and active-low receiver enable pins. These transceivers support data rates of 115kbps, 1Mbps, and 20Mbps. Their performance is characterized from -40°C to +85°C.


  • High VOD: 3.1V (Typ) into RD = 54Ω
  • Low bus currents: 125μA constitutes a true 1/8 unit load
  • Allows for up to 512 transceivers on the bus
  • ±16.5kV ESD protection on bus I/O pins
  • High transient overvoltage tolerance of ±100V
  • Full fail-safe outputs for open or shorted inputs
  • Hot plug capability - driver and receiver outputs remain high-impedance during power-up and power-down
  • Supported data rates: 115kbps, 1Mbps, 20Mbps
  • Low supply current (driver disabled): 550μA
  • Ultra-low shutdown current: 70nA




  • Utility Meters and Automated Meter Reading Systems
  • High Node Count Systems
  • PROFIBUS® and Field Bus Networks, and Factory Automation
  • Security Camera Networks
  • Building Lighting and Environmental Control Systems
  • Industrial/Process Control Networks


Type Title Date
Datasheet PDF 1.51 MB
Training PDF 762 KB
Brochure PDF 5.20 MB 日本語
Training PDF 208 KB
Brochure PDF 2.95 MB
Brochure PDF 11.35 MB 日本語 , 简体中文
Training PDF 405 KB
Training PDF 239 KB
Technical Brief PDF 266 KB 简体中文
Application Note PDF 365 KB
Application Note PDF 207 KB
Application Note PDF 474 KB
Product Change Notice PDF 178 KB
Application Note PDF 366 KB
Technical Brief PDF 188 KB
Report PDF 438 KB
Product Advisory PDF 193 KB
Product Change Notice PDF 266 KB
Application Note PDF 178 KB
Price Increase Notice PDF 208 KB
Other PDF 156 KB
White Paper PDF 920 KB 简体中文
White Paper PDF 246 KB 简体中文
End Of Life Notice PDF 388 KB
Application Note PDF 513 KB
Application Note PDF 826 KB
Other PDF 253 KB
Application Note PDF 443 KB
Application Note PDF 582 KB
Application Note PDF 440 KB
Product Advisory PDF 106 KB
Product Change Notice PDF 294 KB
Product Change Notice PDF 86 KB
Product Change Notice PDF 140 KB
Application Note PDF 338 KB
Application Note PDF 365 KB
Application Note PDF 375 KB
Other PDF 254 KB
Application Note PDF 559 KB
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