Other Parts Discussed in Thread: TRS3222E
Hi
Please suggest 2T/2R RS232 Transceiver,
It must have the function of output disable (because it needs to be connected to RS485 Transceiver)
The smaller the package, the better
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Use the search function to find 2/2 devices with powerdown:
www.ti.com/interface/rs-232/products.html#p286=2;6&p287=2;10&p2192=Powerdown
The smallest package is TSSOP. So one choice would be the TRS3222E.
Please note that these devices never disconnect the 5 kΩ pulldowns at the RS-232 inputs.