DESCRIPTION
The ST485E is al low power transceiver for RS-485 and RS-422 communication. Each driver output and receiver input is protected against ±15KV electrostatic discharge (H.B.M.) ±8KV (IEC-1000-4-2 contact discharge) shocks, without latchup. These parts contain one driver and one receiver.

■ 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
■ ESD PROTECTION:
  ±15KV (H.B.M.)
  ±8KV (IEC-1000-4-2 CONTACT DISCHARGE)
■ ALLOWS UP TO 256 TRANSCEIVERS ON THE BUS