GTM Transceiver PLL/Lock Time Adaptation

Versal Premium Series Data Sheet: DC and AC Switching Characteristics (DS959)

Document ID
DS959
Release Date
2022-05-02
Revision
1.0 English
Table 1. GTM Transceiver PLL/Lock Time Adaptation
Symbol Description Conditions All Speed Grades Units
Min Typ Max
TLOCK Initial PLL lock 53.125 Gb/s line rate with 156.25 MHz REFCLK 3 ms
All other cases 5.7 ms
TDLOCK Clock recovery phase acquisition and adaptation time PAM4 (<39 Gb/s) Short reach (IL < 12db) 6.21×1010 UI
Long reach (IL ≥ 12db) 7.71×109  
PAM4 (≥39 Gb/s) Short reach (IL < 12db) 4×1010 UI
Long reach (IL ≥ 12db) 1.54×1010  
NRZ 1.54×1010 UI