• Pb-free (RoHS compliant)
• RS-485 I/O pin ESD protection . . . . . . . . . . . ±15kV HBM
- Class 3 ESD level on all other pins . . . . . . . >7kV HBM
• 1/8 unit load allows up to 256 devices on the bus
• High data rates (ISL4491E) . . . . . . . . . . . . up to 15Mbps
• Slew rate limited version for error free data transmission
(ISL4489E)
• Very low quiescent current:
- 140μA (ISL4489E)
- 370μA (ISL4491E)
• -7V to +12V common-mode input voltage range
• Tri-statable Rx and Tx outputs
• Full duplex pinout
• Operates from a single +5V supply (10% tolerance)
• Current limiting and thermal shutdown for driver overload
protection