STMicroelectronics ST4E1240DT Line Transceiver, Differential, 8-Pin SO8

The STMicroelectronics Low power differential line transceivers for data transmission standard RS485 applications in half duplex mode, compatible with either 3.3 V or 5 V rail power supplies, fully operating from 3 V to 5.5 V. Its operate respectively up to 16 Mbps and 40 Mbps. They are ideal for multipoint applications over extended cable runs. They are robust to ESD transients.

Low quiescent current in shutdown mode
Integrated protections
High speed up to 40 Mbps data rate
More than 64 transceivers on the bus
Meets or exceeds TIA/EIA-485A standard requirements