RS-232 and RS-485 Dual Protocol Transceivers
Operating Supply Voltage 3.3 V and 5 V options
Fixed and Programmable port
Feature
- User Selectable RS-232 or RS-485/RS-422 Interface Port (Two RS-232 Transceivers or One RS-485/RS-422 Transceiver)
- Operates From a Single 3.3V Supply
- ±15kV (HBM) ESD Protected Bus Pins (RS-232 or RS-485)
- 5V Tolerant Logic Inputs
- True Flow-Through Pinouts Simplify Board Layouts
- Pb-Free (RoHS Compliant)
- Full Failsafe (Open/Short) Rx in RS-485/RS-422 Mode
- Loopback Mode Facilitates Board Self Test Functions
- User Selectable RS-485 Data Rates20Mbps
- Slew Rate Limited 460kbps
- Slew Rate Limited (ISL3331 Only)115kbps
- Fast RS-232 Data RateUp to 400kbps
- Low Current Shutdown Mode 30µA
- QFN Package Saves Board Space (ISL3331 Only)
- Logic Supply Pin (VL) Eases Operation in Mixed Supply Systems (ISL3331 Only)
