Datasheet STMicroelectronics STR485 — 数据表

STR485
Datasheet 3.3 V RS485 compatible with 1.8 V I/Os and selectable speed 20 Mbps or
250 kbps Features DFN10 3 x 3 •
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• 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 256 transceivers on the bus
Fail safe receiver (bus open, idle and shorted)
Thermal shutdown protection
Low quiescent current in shutdown mode
Extended temperature range : -40 °C to +105 °C …