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MAX3170 - +3.3V / Multiprotocol / 3 Tx/3 Rx / Software- Selectable Clock/Data Transceiver
MXL1543B - Software-Selectable Clock/Data Transceivers
MK1711-01 - 200 MHz Selectable Clock Source
NBSG53A - 2.5V/3.3V SiGe Selectable Differential Clock and Data D Flip-Flop/Clock Divider
MXL1543 - Software-Selectable Clock/Data Transceivers
AM486DX4 - 3V / Clock-Selectable / 32-Bit Microprocessor