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LMK00105: input voltage of LMK00105

Part Number: LMK00105
Other Parts Discussed in Thread: TEST

Dear Team,

According to the LMK00105SQX specification book, the actual connection method of the input terminal, the external crystal oscillator is used as the LMK00105SQX, because the input terminal has two stages of coupling capacitors, so the test waveform has a negative voltage of about - 700mv, as shown in the following picture.
---------- We can't find the specific electrical requirements of the input end of LMK00105SQX (CLKin PIN20 ) in the specification book, high level 1.4V low level -0.7V, whether this meets the requirements of the input port?

Many Thanks,