Product Overview
SN65HVD485EDR from TI is a 5V RS-485 transceiver for half-duplex communication. 500kbps. 1/4 unit load. +/-16kV HBM ESD. SOIC-8.
Working Principle
Differential driver and receiver for RS-485 bus. DE/RE control direction. 500kbps data rate suitable for Modbus. 1/4 unit load for 128 nodes on bus.
Pin Description
| Pin | Name | Function |
|---|---|---|
| 1 | RO | Rx output |
| 2 | RE | Rx enable |
| 3 | DE | Tx enable |
| 4 | DI | Tx input |
| 6 | A | Non-inverting |
| 7 | B | Inverting |
Applications
- RS-485 half-duplex networks
- Modbus RTU
- Industrial automation
Alternative Models
| Manufacturer | Part Number | Notes |
|---|---|---|
| TI | THVD1550DR | 50Mbps version |