Datasheet Summary
Data Sheet
Features
Operates with 3.3 V supply EIA RS-422 and RS-485 pliant over full CM range 19 kΩ input impedance Up to 50 transceivers on bus 20 Mbps data rate Short-circuit protection Specified over full temperature range Thermal shutdown Interoperable with 5 V logic 840 μA supply current 2 nA shutdown current Available in PDIP, SOIC, and TSSOP Meets IEC1000-4-4 (>1 kV) 8 ns skew Upgrade for MAX3491, SN75ALS180
3.3 V, Full-Duplex, 840 μA, 20 Mbps, EIA RS-485 Transceiver
FUNCTIONAL BLOCK DIAGRAM
RO R RE
DE DI D
05234-001
Figure 1.
APPLICATIONS
Telemunications DTE- DCE interface Packet switching Local area networks Data concentration Data...