GTY and GTYP Transceiver Reference Clock Oscillator Selection Phase Noise Mask - DS956

Versal Prime Series Data Sheet: DC and AC Switching Characteristics (DS956)
Document ID
DS956
Release Date
2025-03-14
Revision
1.15 English
Table 1. GTY and GTYP Transceiver Reference Clock Oscillator Selection Phase Noise Mask
Symbol Description 1, 2 Offset Frequency Min Typ Max Units
LCPLLREFCLKMASK LCPLL reference clock select phase noise mask at GTY_REFCLK frequency = 156.25 MHz 10 kHz – – –112 dBc/Hz
100 kHz – – –128
1 MHz – – –145
LCPLL reference clock select phase noise mask at GTY_REFCLK frequency = 312.5 MHz 10 kHz – – –103 dBc/Hz
100 kHz – – –123
1 MHz – – –143
LCPLL reference clock select phase noise mask at GTY_REFCLK frequency = 625 MHz 10 kHz – – –98 dBc/Hz
100 kHz – – –117
1 MHz – – –140
RINGPLLREFCLKMASK RINGPLL reference clock select phase noise mask at GTY_REFCLK frequency = 156.25 MHz 10 kHz – – –112 dBc/Hz
100 kHz – – –128
1 MHz – – –145
50 MHz – – –145
RINGPLL reference clock select phase noise mask at GTY_REFCLK frequency = 312.5 MHz 10 kHz – – –103 dBc/Hz
100 kHz – – –123
1 MHz – – –143
50 MHz – – –145
RINGPLL reference clock select phase noise mask at GTY_REFCLK frequency = 625 MHz 10 kHz – – –98 dBc/Hz
100 kHz – – –117
1 MHz – – –140
50 MHz – – –144
  1. For reference clock frequencies not in this table, use the phase-noise mask for the nearest reference clock frequency.
  2. This reference clock phase-noise mask is superseded by any reference clock phase-noise mask that is specified in a supported protocol, e.g., PCIe.