GND1IN+2IN-3GND4REFGND5REFGND6REFBUF7REFBUF8REFIN9GND10VDD11VDD12PD#13TESTPAT14DB–15DB+16DA–17DA+18DCO–19DCO+20GND21OVDD22CLK–23CLK+24TWOLANES25GND26CNV–27CNV+28GND29VDDL30VDDL31VCM32GND33