产品概览
SN65HVD485EDR from TI is a 5V RS-485 transceiver for half-duplex communication. 500kbps. 1/4 unit load. +/-16kV HBM ESD. SOIC-8.
工作原理
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
| 针脚 | 名称 | 功能 |
|---|---|---|
| 1 | RO | Rx output |
| 2 | RE | Rx enable |
| 3 | 可选择丢弃 | Tx enable |
| 4 | DI | Tx input |
| 6 | A | Non-inverting |
| 7 | B | Inverting |
应用
- RS-485 half-duplex networks
- Modbus RTU
- Industrial automation
Alternative Models
| 制造商 | 部件编号 | 说明 |
|---|---|---|
| TI | THVD1550DR | 50Mbps version |