UM3090 transceivers equivalent, true rs-485 transceivers.
fail-safe circuitry, which guarantees a logic-high receiver output when the receiver inputs are open, shorted or idle. This means that the receiver output will be logic h.
The UM3090EESA is ±15kV ESD-protected, high-speed transceiver for RS-485 communication that contains one internal low-dropout regulator, one driver and one receiver. The internal LDO allows the device to operate from an unregulated power supply of u.
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