LMK00306 Datasheet, PDF (13/25 Pages) Texas Instruments – 3-GHz 6-Output Differential Clock Buffer/Level Translator

HCSL Output Swing @ 250 MHz
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
0
1
2
3
4
5
TIME (ns)
30177498
Noise Floor vs. CLKin Slew Rate @ 100 MHz
-140
-145
-150
LVPECL
LVDS
HCSL
LVCMOS
CLKin Source
Fclk=100 MHz
Foffset=20 MHz
-155
-160
-165
-170
0.5 1.0 1.5 2.0 2.5 3.0 3.5
DIFFERENTIAL INPUT SLEW RATE (V/ns)
30177477
Noise Floor vs. CLKin Slew Rate @ 625 MHz
-135
-140
LVPECL
LVDS
CLKin Source
Fclk=625 MHz
Foffset=20 MHz
-145
-150
-155
-160
-165
0.5 1.0 1.5 2.0 2.5 3.0 3.5
DIFFERENTIAL INPUT SLEW RATE (V/ns)
30177479
LVCMOS Output Swing @ 250 MHz
1.00 _{Vcco=3.3 V, AC coupled, 50Ω load}
0.75 ^{Vcco=2.5 V, AC coupled, 50Ω load}
0.50
0.25
0.00
-0.25
-0.50
-0.75
-1.00
0123456
TIME (ns)
30177499
Noise Floor vs. CLKin Slew Rate @ 156.25 MHz
-135
-140
LVPECL
LVDS
HCSL
CLKin Source
Fclk=156.25 MHz
Foffset=20 MHz
-145
-150
-155
-160
-165
0.5 1.0 1.5 2.0 2.5 3.0 3.5
DIFFERENTIAL INPUT SLEW RATE (V/ns)
30177478
RMS Jitter vs. CLKin Slew Rate @ 100 MHz (Note 26)
400 _LVPECL
350
LVDS
HCSL
LVCMOS
Fclk=100 MHz
Int. BW=1-20 MHz
300 CLKin Source
250
200
150
100
50
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5
DIFFERENTIAL INPUT SLEW RATE (V/ns)
30177480
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