XRT8020 Datasheet, PDF (5/12 Pages) Exar Corporation – 650 MHZ CLOCK & CRYSTAL MULTIPLIER WITH LVDS OUTPUTS

650 MHZ CLOCK & CRYSTAL MULTIPLIER WITH LVDS OUTPUTS
XRT8020
REV. 1.0.2
PARAMETER
Crystal Frequency
Clock Input Frequency
Power on Calibration time
SYMBOL MIN
27
72
Max Frequency Out
Max Frequency Out
Rise time
Fall Time
Duty cycle
F_OUT 575
F_OUT 285
T_R
T_F
45
Differential Output Skew
Output Loading
Output Voltage Swing
V_OUT 250
Common Mode Voltage
V_CM
1.0
Output Short Circuit Current
Cycle-to-Cycle Jitter
Cycle-to-Cycle Jitter
Accumulated Jitter
Accumulated Jitter
Input Referenced Jitter
Input Referenced Jitter
TYP
MAX UNIT
CONDITIONS
40 MHz See Section 2.0 for Crystal Selection
85 MHz AC Coupled (FS0=1, FS1=1)
5
ms After VDD reaches 2.8V
NOTE: Calibration time = 16,000 clock cycles
675 MHz 624 MHz nominal F_OUT (See Table 1)
340 MHz 312 MHz nominal F_OUT (See Table 1)
350
ps CL = 5pF, RL = 100Ω, (20% - 80%)
350
ps CL = 5pF, RL = 100Ω, (20% - 80%)
55
% LVDS output
10
ps See Figure 3
100
Ω
450 mV Magnitude of (OUTP-OUTN)
1.2 1.4
V
-5.7 -10 mA Current limit to ground, V_DD or Vp to Vn
3
ps rms, at 624 MHz
3
ps rms, at 312 MHz
12
ps rms, at 624 MHz
12
ps rms, 312 MHz
9
ps rms at 622 MHz, See Figure 4
9
ps rms at 312 MHz, See Figure 4
4