ZHCSIC4C June 2018 – November 2018 LMX2615-SP
PRODUCTION DATA.
The SYNC input pin can be driven either in CMOS. However, if not using SYNC mode (VCO_PHASE_SYNC = 0), then the INPIN_IGNORE bit must be set to one, otherwise it causes issues with lock detect. If the pin is desired for to be used and VCO_PHASE_SYNC=1, then set INPIN_IGNORE = 0.