Features • IEC61000 ESD protection on RS-485 I/O pins . . . . ±15kV - Class 3 ESD level on all other pins . . . . . . . >7kV HBM • Full fail-safe (open, short, terminated/floating) receivers • Hot plug - Tx and Rx outputs remain three-state during power-up (only versions with output enable pins) • True 1/8 unit load allows up to 256 devices on the bus • Single 3.3V supply • High data rates. . . . . . . . . . . . . . . . . . . . . . . up to 20Mbps • Low quiescent supply current. . . . . . . . . . . . .800µA (Max) - Ultra low shutdown supply current . . . . . . . . . . . . .10nA • -7V to +12V common-mode input/output voltage range • Half and full duplex pinouts • Three state Rx and Tx outputs available • Current limiting and thermal shutdown for driver overload protection • Tiny MSOP packages consume 50% less board space • Pb-free (RoHS compliant) Applications • Automated utility meter reading systems • High node count systems • Field bus networks • Security camera networks • Building environmental control/lighting systems • Industrial/process control networks