
Virtex-6 FPGA Data Sheet: DC and Switching Characteristics
HT DC Specifications (HT_25)
Table 8: HT DC Specifications
Symbol
DC Parameter
Conditions
Min
Typ
Max
Units
V CCO
V OD
Δ V OD
Supply Voltage
Differential Output Voltage for XC devices R T = 100 Ω across Q and Q signals
Differential Output Voltage for XQ devices
Change in V OD Magnitude
2.38
480
480
–15
2.5
600
600
–
2.63
885
930
15
V
mV
mV
mV
V OCM
Δ V OCM
V ID
Δ V ID
V ICM
Δ V ICM
Output Common Mode Voltage
Change in V OCM Magnitude
Input Differential Voltage
Change in V ID Magnitude
Input Common Mode Voltage
Change in V ICM Magnitude
R T = 100 Ω across Q and Q signals
440
–15
200
–15
440
–15
600
–
600
–
600
–
760
15
1000
15
780
15
mV
mV
mV
mV
mV
mV
LVDS DC Specifications (LVDS_25)
Table 9: LVDS DC Specifications
Symbol
V CCO
V OH
V OL
V ODIFF
V OCM
V IDIFF
V ICM
DC Parameter
Supply Voltage
Output High Voltage for Q and Q
Output Low Voltage for Q and Q
Differential Output Voltage (Q – Q),
Q = High (Q – Q), Q = High
Output Common-Mode Voltage for XC devices
Output Common-Mode Voltage for XQ devices
Differential Input Voltage (Q – Q),
Q = High (Q – Q), Q = High
Input Common-Mode Voltage
Conditions
R T = 100 Ω across Q and Q signals
R T = 100 Ω across Q and Q signals
R T = 100 Ω across Q and Q signals
R T = 100 Ω across Q and Q signals
Min
2.38
–
0.825
247
1.075
1.000
100
0.3
Typ
2.5
–
–
350
1.250
1.250
350
1.2
Max
2.63
1.675
–
600
1.425
1.425
600
2.2
Units
V
V
V
mV
V
V
mV
V
Extended LVDS DC Specifications (LVDSEXT_25)
Table 10: Extended LVDS DC Specifications
Symbol
V CCO
V OH
V OL
V ODIFF
DC Parameter
Supply Voltage
Output High Voltage for Q and Q
Output Low Voltage for Q and Q
Differential Output Voltage (Q – Q),
Q = High (Q – Q), Q = High
Conditions
R T = 100 Ω across Q and Q signals
R T = 100 Ω across Q and Q signals
R T = 100 Ω across Q and Q signals
Min
2.38
–
0.715
350
Typ
2.5
–
–
–
Max
2.63
1.785
–
840
Units
V
V
V
mV
for XC devices
Differential Output Voltage (Q – Q),
350
–
850
mV
Q = High (Q – Q), Q = High
for XQ devices
V OCM
V IDIFF
V ICM
Output Common-Mode Voltage for XC devices
Output Common-Mode Voltage for XQ devices
Differential Input Voltage (Q – Q),
Q = High (Q – Q), Q = High
Input Common-Mode Voltage
R T = 100 Ω across Q and Q signals
Common-mode input
voltage = 1.25V
Differential input voltage = ±350 mV
1.075
1.000
100
0.3
1.250
1.250
–
1.2
1.425
1.425
1000
2.2
V
V
mV
V
DS152 (v3.6) March 18, 2014
Product Specification
9