GTY and GTYP Transceiver Performance - GTY and GTYP Transceiver Performance - DS958

Versal AI Edge Series Data Sheet: DC and AC Switching Characteristics (DS958)
Document ID
DS958
Release Date
2026-02-12
Revision
1.11 English
Table 1. GTY Transceiver Performance
Symbol Description Subrate Divider Output Divider Performance as a Function of Speed Grade and Operating Voltage (VCCINT) Units
0.88V (H) 0.80V (M) 0.725V (L) 0.70V (L)
-2 -2 -1 -2LLI -1 -2 -1
FGTYMAX GTY maximum line rate 28.21 28.21 26.5625 28.21 25.78125 28.21 25.78125 Gb/s
FGTYMIN GTY minimum line rate 1.2 1.2 1.2 1.2 1.2 1.2 1.2 Gb/s
  Min Max Min Max Min Max Min Max Min Max Min Max Min Max  
FGTYRRANGE RINGPLL line rate range 1, 2 1 8 12.5 8 12.5 8 12.5 8 12.5 8 12.5 8 12.5 8 12.5 Gb/s
2 4 8 4 8 4 8 4 8 4 8 4 8 4 8 Gb/s
4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 Gb/s
8 1.2 2 1.2 2 1.2 2 1.2 2 1.2 2 1.2 2 1.2 2 Gb/s
  Min Max Min Max Min Max Min Max Min Max Min Max Min Max  
FGTYLRANGE LCPLL line rate range 3 1 1 16 28.21 16 28.21 16 26.5625 16 28.21 16 25.78125 16 28.21 16 25.78125 Gb/s
2 8 16.375 8 16.375 8 16.375 8 16.375 8 16.375 8 16.375 8 16.375 Gb/s
1 2 8 14.105 8 14.105 8 13.28125 8 14.105 8 12.891 8 14.105 8 12.891 Gb/s
2 4 8.1875 4 8.1875 4 8.1875 4 8.1875 4 8.1875 4 8.1875 4 8.1875 Gb/s
1 4 4 7.0525 4 7.0525 4 6.640625 4 7.0525 4 6.4453125 4 7.0525 4 6.4453125 Gb/s
2 2 4.09375 2 4.09375 2 4.09375 2 4.0938 2 4.09375 2 4.0938 2 4.09375 Gb/s
1 8 2 3.52625 2 3.52625 2 3.3203125 2 3.5263 2 3.2226563 2 3.5263 2 3.2226563 Gb/s
2 1.2 2.046875 1.2 2.046875 1.2 1.66015625 1.2 1.7631 1.2 2.046875 1.2 1.7631 1.2 2.046875 Gb/s
  Min Max Min Max Min Max Min Max Min Max Min Max Min Max  
FRPLLRANGE RINGPLL frequency range 4 8 4 8 4 8 4 8 4 8 4 8 4 8 GHz
FLCPLLRANGE LCPLL frequency range 8 16.375 8 16.375 8 16.375 8 16.375 8 16.375 8 16.375 8 16.375 GHz
  1. The values listed are the rounded results of the calculated equation (2 × RINGPLL_Frequency)/Subrate_Divider.
  2. The highest supported line rate when using the RPLL to drive the datapath is 12.5 Gb/s.
  3. The values listed are the rounded results of the calculated equation (2 × LCPLL_Frequency)/(Output_Divider × Subrate_Divider).
Table 2. GTYP Transceiver Performance
Symbol Description Subrate Divider Output Divider Performance as a Function of Speed Grade and Operating Voltage (VCCINT) Units
0.88V (H) 0.80V (M) 0.725V (L) 0.70V (L)
-2 -2 -1 -2LLI -1 -2 -1
FGTYPMAX GTYP maximum line rate 32.00 32.00 26.5625 32.00 25.78125 32.00 25.78125 Gb/s
FGTYPMIN GTYP minimum line rate 1.2 1.2 1.2 1.2 1.2 1.2 1.2 Gb/s
  Min Max Min Max Min Max Min Max Min Max Min Max Min Max  
FGTYPRRANGE RINGPLL line rate range 1, 2 1 8 12.5 8 12.5 8 12.5 8 12.5 8 12.5 8 12.5 8 12.5 Gb/s
2 4 8 4 8 4 8 4 8 4 8 4 8 4 8 Gb/s
4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 Gb/s
8 1.2 2 1.2 2 1.2 2 1.2 2 1.2 2 1.2 2 1.2 2 Gb/s
  Min Max Min Max Min Max Min Max Min Max Min Max Min Max  
FGTYPLRANGE LCPLL line rate range 3 1 1 16 32.00 16 32.00 16 26.5625 16 32.00 16 25.78125 16 32.00 16 25.78125 Gb/s
2 8 16.375 8 16.375 8 16.375 8 16.375 8 16.375 8 16.375 8 16.375 Gb/s
2 1 8 16.375 8 16.375 8 16.375 8 16.375 8 16.375 8 16.375 8 16.375 Gb/s
2 4 8.1875 4 8.1875 4 8.1875 4 8.1875 4 8.1875 4 8.1875 4 8.1875 Gb/s
4 1 4 8.1875 4 8.1875 4 8.1875 4 8.1875 4 8.1875 4 8.1875 4 8.1875 Gb/s
2 2 4.09375 2 4.09375 2 4.09375 2 4.09375 2 4.09375 2 4.09375 2 4.09375 Gb/s
8 1 2 4.09375 2 4.09375 2 4.09375 2 4.09375 2 4.09375 2 4.09375 2 4.09375 Gb/s
2 1.2 2.046875 1.2 2.046875 1.2 2.046875 1.2 2.046875 1.2 2.046875 1.2 2.046875 1.2 2.046875 Gb/s
  Min Max Min Max Min Max Min Max Min Max Min Max Min Max  
FRPLLRANGE RINGPLL frequency range 4 8 4 8 4 8 4 8 4 8 4 8 4 8 GHz
FLCPLLRANGE LCPLL frequency range 8 16.375 8 16.375 8 16.375 8 16.375 8 16.375 8 16.375 8 16.375 GHz
  1. The values listed are the rounded results of the calculated equation (2 × RINGPLL_Frequency)/Subrate_Divider.
  2. The highest supported line rate when using the RPLL to drive the datapath is 12.5 Gb/s.
  3. The values listed are the rounded results of the calculated equation (2 × LCPLL_Frequency)/(Output_Divider × Subrate_Divider).