BETATransmit on demand
DE enables the driver and DI selects differential polarity.
5 V half-duplex RS-485 transceiver
MAX485 Internal Circuitry
Explore the internal circuitry and functional stages of MAX485.
Package view
Inside MAX485
A differential driver and receiver share one bus pair.
Explore the circuit
Select a stage to see its role and connections
Listen independently
RE̅ LOW enables the receiver; HIGH makes RO high impedance.
Share the bus
Driver disable releases A/B. Arbitration and protocol timing are supplied by the system.