SI533 Datasheet, PDF (3/12 Pages) Silicon Laboratories – DUAL FREQUENCY CRYSTAL OSCILLATOR (XO) (10 MHZ TO 1.4 GHZ)

Si533
Table 2. CLK± Output Frequency Characteristics (Continued)
Parameter
Symbol
Test Condition
Min
Typ
Max Units
Temp stability = ±7 ppm
—
—
±20 ppm
Total Stability
Temp stability = ±20 ppm
—
—
±31.5 ppm
Temp stability = ±50 ppm
—
—
±61.5 ppm
Powerup Time⁴
t_OSC
—
—
10
ms
Settling Time After FS Change t_FRQ
—
—
10
ms
Notes:
1. See Section 3. "Ordering Information" on page 7 for further details.
2. Specified at time of order by part number. Also available in frequencies from 970 to 1134 MHz and 1213 to 1417 MHz.
3. Selectable parameter specified by part number.
4. Time from powerup or tristate mode to f_O.
Table 3. CLK± Output Levels and Symmetry
Parameter
Symbol
Test Condition
Min
Typ
Max Units
LVPECL Output Option¹
V_O
mid-level
V_DD – 1.42
—
V_DD – 1.25 V
V_OD
swing (diff)
1.1
—
1.9
V_PP
LVDS Output Option²
V_SE
swing (single-ended)
0.55
—
0.95
V_PP
V_O
mid-level
1.125
1.20
1.275
V
V_OD
CML Output Option²
V_O
swing (diff)
mid-level
0.5
0.7
0.9
V_PP
—
V_DD – 0.75
—
V
V_OD
CMOS Output Option³
V_OH
V_OL
swing (diff)
I_OH = 32 mA
I_OL = 32 mA
0.70
0.8 x V_DD
—
0.95
—
—
1.20
V_PP
V_DD
V
0.4
Rise/Fall time (20/80%)
t_R, t_F
LVPECL/LVDS/CML
—
—
350
ps
CMOS with C_L = 15 pF
—
1
—
ns
Symmetry (duty cycle)
SYM LVPECL: V_DD – 1.3 V (diff)
LVDS: 1.25 V (diff)
45
—
55
%
CMOS: V_DD/2
Notes:
1. 50 Ω to V_DD – 2.0 V.
2. R_term = 100 Ω (differential).
3. C_L = 15 pF
Rev. 1.1
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