STR485E Datasheet (STMicroelectronics)

STR485E, 3.3V RS485 compatible

The STR485E is a low power differential line transceiver for data transmission standard RS485 applications in half-duplex mode.

Data and enable signals are compatible with 1.8 V or 3.3 V supplies.

Two speeds are selectable through SLR pin: fast data rate up to 20 Mbps or slow data rate for extended

STR485E Features

* Half-duplex RS485 transceiver

* 1.65 V to 3.6 V supply for data and enable signals

* 3 V to 3.6 V supply for bus supply

* High speed: up to 20 Mbps data rate

* Low speed selected by SLR pin : 250 kbps

* Up to 128 transceivers on the bus @ 125 °C