SP3491 transceivers equivalent, +3.3v low power full-duplex rs-485 transceivers.
The SP3490 and SP3491 devices are +3.3V low power full-duplex transceivers that meet the specifications of the RS-485 and RS-422 serial protocols. These devices are pin-to-pin compatible with the Exar SP490 and SP491 devices as well as popular indust.
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+3.3V
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