Symbol
Parameter Test Conditions
Min. Typ. Max. Units
Input frequency limit (XIN)
840MHz
Input frequency limit (REF)
1200MHz
Input frequency limit (CLKIN, CLKINB)
1350MHz
Single ended clock output limit (LVCMOS)
1200
Differential cock output limit (LVPECL/ LVDS/HCSL)
1350
t2 Input Duty Cycle
Duty Cycle
45 50 55 %
LVPECL Output Duty Cycle Distortion -5 5 %
LVPECL Output Duty Cycle Distortion -5 5 %
HCSL Output Duty Cycle Distortion -5 5 %
LVCMOS Output Duty Cycle Distortion @ 2.5V and 3.3V -5 5 %
LVCMOS Output Duty Cycle Distortion @ 1.8 V, f <100MHz -5 5 %
LVCMOS Output Duty Cycle Distortion @ 1.8 V, f >=100MHz -10 10 %
Slew Rate, SLEW[1:0] = 11
Single-ended 3.3V LVCMOS output clock rise and fall time, @ 125MHz
25% to 75% of VDDO (Output Load = 5 pF)
1.7 2.7 4.1 V/ns
Slew Rate, SLEW[1:0] = 10
Single-ended 3.3V LVCMOS output clock rise and fall time, @ 125MHz
25% to 75% of VDDO (Output Load = 5 pF)
1.4 2.4 3.8 V/ns
Slew Rate, SLEW[1:0] = 01
Single-ended 3.3V LVCMOS output clock rise and fall time, @ 125MHz
25% to 75% of VDDO (Output Load = 5 pF)
1.3 2.3 3.7 V/ns
Slew Rate, SLEW[1:0] = 00
Single-ended 3.3V LVCMOS output clock rise and fall time, @ 125MHz
25% to 75% of VDDO (Output Load = 5 pF)
1.1 2.1 3.6 V/ns
Slew Rate, SLEW[1:0] = 11
Single-ended 2.5V LVCMOS output clock rise and fall time, @ 125MHz
25% to 75% of VDDO (Output Load = 5 pF)
0.9 1.7 2.6 V/ns
Slew Rate, SLEW[1:0] = 10
Single-ended 2.5V LVCMOS output clock rise and fall time, @ 125MHz
25% to 75% of VDDO (Output Load = 5 pF)
0.6 1.4 2.3 V/ns
Slew Rate, SLEW[1:0] = 01
Single-ended 2.5V LVCMOS output clock rise and fall time, @ 125MHz
25% to 75% of VDDO (Output Load = 5 pF)
0.6 1.3 2.2 V/ns
Slew Rate, SLEW[1:0] = 00
Single-ended 2.5V LVCMOS output clock rise and fall time, @ 125MHz
25% to 75% of VDDO (Output Load = 5 pF)
0.6 1.2 2.1 V/ns
Slew Rate, SLEW[1:0] = 11
Single-ended 1.8V LVCMOS output clock rise and fall time, @ 125MHz
25% to 75% of VDDO (Output Load = 5 pF)
0.7 1.2 2.1 V/ns
Slew Rate, SLEW[1:0] = 10
Single-ended 1.8V LVCMOS output clock rise and fall time, @ 125MHz
25% to 75% of VDDO (Output Load = 5 pF)
0.4 0.9 1.7 V/ns
Slew Rate, SLEW[1:0] = 01
Single-ended 1.8V LVCMOS output clock rise and fall time, @ 125MHz
25% to 75% of VDDO (Output Load = 5 pF)
0.4 0.8 1.6 V/ns
Slew Rate, SLEW[1:0] = 00
Single-ended 1.8V LVCMOS output clock rise and fall time, @ 125MHz
25% to 75% of VDDO (Output Load = 5 pF)
0.3 0.7 1.4 V/ns
Rise Times
LVDS, 20% to 80%, single-ended
300
Fall Times
LVDS, 80% to 20%, single-ended
300
Rise Times
LVPECL, 20% to 80%, single-ended
400
Fall Times
LVPECL, 80% to 20%, single-ended
400
t6