The following table summarizes the DC specifications of the GTY and GTYP transceivers in Versal Prime devices. Consult the Versal Adaptive SoC GTY and GTYP Transceivers Architecture Manual (AM002) for further details.
Symbol | DC Parameter | Conditions | Min | Typ | Max | Units |
---|---|---|---|---|---|---|
DVPPIN | Differential peak-to-peak input voltage (external AC coupled) | >10.3125 Gb/s | 150 | – | 1250 | mV |
6.6 Gb/s to 10.3125 Gb/s | 150 | – | 1250 | mV | ||
≤ 6.6 Gb/s | 150 | – | 2000 | mV | ||
VIN | Single-ended input voltage. Voltage measured at the pin referenced to GND. | DC coupled VGTY_AVTT = 1.2V | –200 | – | VGTY_AVTT | mV |
VCMIN | Common mode input voltage | DC coupled VGTY_AVTT = 1.2V | – | 2/3 VGTY_AVTT | – | mV |
DVPPOUT | Differential peak-to-peak output voltage 1 | Transmitter output swing is set to 11111
|
800 | – | – | mV |
VCMOUTDC | Common mode output voltage: DC coupled (equation based) 2 | When remote RX termination is floating | DVPPOUT/2 | mV | ||
When remote RX is terminated to VRX_TERM 3 | VRX_TERM/2 + DVPPOUT/4 | mV | ||||
VCMOUTAC | Common mode output voltage: AC coupled | Equation based | DVPPOUT/2 | mV | ||
RIN | Differential input resistance | – | 100 | – | Ω | |
ROUT | Differential output resistance | – | 100 | – | Ω | |
TOSKEW | Transmitter output pair (TXP and TXN) intra-pair skew | – | – | 10 | ps | |
CEXT | Recommended external AC coupling capacitor 4 | – | 100 | – | nF | |
|
Figure 1. Single-Ended Peak-to-Peak Voltage

Figure 2. Differential Peak-to-Peak Voltage

The following tables summarize the DC specifications of the clock input/output levels of the GTY and GTYP transceivers in Versal Prime devices. Consult the Versal Adaptive SoC GTY and GTYP Transceivers Architecture Manual (AM002) for further details.
Symbol | DC Parameter | Min | Typ | Max | Units |
---|---|---|---|---|---|
VIDIFF | Differential peak-to-peak input voltage | 250 | – | 1600 | mV |
VICM | REFCLK common-mode input voltage | – | VGTY_AVCC or VGTYP_AVCC | – | mV |
RIN | Differential input resistance | – | 100 | – | Ω |
CEXT | Required external AC coupling capacitor | – | 10 | – | nF |
Symbol | Description | Conditions | Min | Typ | Max | Units |
---|---|---|---|---|---|---|
VOL | Output Low voltage for P and N | RT = 100Ω across P and N signals | 100 | – | 330 | mV |
VOH | Output High voltage for P and N | RT = 100Ω across P and N signals | 500 | – | 700 | mV |
VDDOUT | Differential output voltage (P–N), P = High (N–P), N = High | RT = 100Ω across P and N signals | 300 | – | 430 | mV |
VCMOUT | Common mode voltage | RT = 100Ω across P and N signals | 300 | – | 500 | mV |