ST485ECD

？ 5KV ESD保护，低功耗RS - 485 / RS - 422收发器 ?5KV ESD PROTECTED, LOW POWER RS-485/RS-422 TRANSCEIVER

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. ESD shocks, without latcup. These parts contain one driver and one receiver in half duplex configuration.

■ 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 64 TRANSCEIVERS ON THE BUS