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General Description

The MAX13080E–MAX13089E +5.0V, ±15kV ESD-protected, RS-485/RS-422 transceivers feature one driver and one receiver. These devices include fail-safe circuitry, guaranteeing a logic-high receiver output when receiver inputs are open or shorted. The receiver outputs a logichigh if all transmitters on a terminated bus are disabled (high impedance). The MAX13080E–MAX13089E include a hot-swap capability to eliminate false transitions on the bus during power-up or hot insertion.

Features

? +5.0V Operation

? Extended ESD Protection for RS-485/RS-422 I/O Pins ±15kV Human Body Model

? True Fail-Safe Receiver While Maintaining EIA/TIA-485 Compatibility

? Hot-Swap Input Structures on DE and RE

? Enhanced Slew-Rate Limiting Facilitates ErrorFree Data Transmission (MAX13080E–MAX13085E/MAX13089E)

? Low-Current Shutdown Mode (Except MAX13081E/MAX13084E/MAX13087E)

? Pin-Selectable Full-/Half-Duplex Operation (MAX13089E)

? Phase Controls to Correct for Twisted-Pair Reversal (MAX13089E)

? Allow Up to 256 Transceivers on the Bus

? Available in Industry-Standard 8-Pin SO Package

Applications

?? Utility Meters

?? Lighting Systems

?? Industrial Control

?? Telecom

?? Security Systems

?? Instrumentation

?? Profibus