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MAX4526 - Phase-Reversal Analog Switches
HC5520 - CO/PABX Polarity Reversal Subscriber Line Interface Circuit
UM3487E - Hot-Swappable Auto Polarity Reversal RS-485 Transceivers
MAX4528 - Low-Voltage / Phase-Reversal Analog Switch
MAX4527 - Phase-Reversal Analog Switches
UM3089E - Hot-Swappable Auto Polarity Reversal RS-485 Transceivers
UM3087E - Hot-Swappable Auto Polarity Reversal RS-485 Transceivers