DESCRIPTION
The ST485 is al low power transceiver for RS-485 and RS-422 communication. Each part contains one driver and one receiver.
This transceiver draw 300µA (typ.) of supply current when unloaded or fully loaded with disabled drivers.

■ LOW QUIESCENT CURRENT: 300µA
■ DESIGNED FOR RS-485 INTERFACE APPLICATIONS
■ -7V TO 12V COMMON MODE INPUT VOLTAGE RANGE
■ DRIVER MAINTAINS HIGH IMPEDANCE IN 3-STATE OR WITH THE POWER OFF
■ 70mV TYPICAL INPUT HYSTERESIS
■ 30ns PROPAGATION DELAYS, 5ns SKEW
■ OPERATE FROM A SINGLE 5V SUPPLY
■ CURRENT LIMITING AND THERMAL SHUTDOWN FOR DRIVER OVERLOAD PROTECTION
■ ALLOWS UP TO 64 TRANSCEIVERS ON THE BUS