Rx/Tx使能端,~250kbps,全双工RS-485收发器
5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers
The RS-485/RS-422 devices are BiCMOS 5V powered, single transceivers that meet both the RS-485 and RS-422 standards for balanced communication. Unlike competitive devices, this Intersil family is specified for 10% tolerance supplies 4.5V to 5.5V.
Features
• Specified for 10% Tolerance Supplies
• Class 3 ESD Protection HBM on all Pins. . . . . . . . >7kV
• High Data Rates. . . . . . . . . . . . . . . . . . . . . . up to 5Mbps
• Slew Rate Limited Versions for Error Free Data
Transmission at 250kbpsISL8483, ISL8488, ISL8489
• Single Unit Load Allows up to 32 Devices on the Bus
• 1nA Low Current Shutdown Mode ISL8483
• Low Quiescent Current:
-160µA ISL8483, ISL8488, ISL8489
-500µA ISL8485, ISL8490, ISL8491
• -7V to +12V Common Mode Input Voltage Range
• Three State Rx and Tx Outputs Except ISL8488, ISL8490
• 30ns Propagation Delays, 5ns Skew ISL8485, ISL8490, ISL8491
• Full Duplex and Half Duplex Pinouts
• Operate from a Single +5V Supply 10% Tolerance
• Current Limiting and Thermal Shutdown for driver Overload Protection
• Pb-Free Plus Anneal Available RoHS Compliant
Applications
• Factory Automation
• Security Networks
• Building Environmental Control Systems
• Industrial/Process Control Networks
• Level Translators e.g., RS-232 to RS-422
• RS-232 “Extension Cords”
