si531 Silicon Laboratories, si531 Datasheet - Page 3

• Manufacturer Part Number: si531
• Description: Crystal Oscillator Xo 10 Mhz To 1.4 Ghz
• Manufacturer: Silicon Laboratories

Table 2. CLK± Output Frequency Characteristics (Continued)
Table 3. CLK± Output Levels and Symmetry
Total Stability
Powerup Time
Notes:
LVPECL Output Option
LVDS Output Option
CML Output Option
CMOS Output Option
Rise/Fall time (20/80%)
Symmetry (duty cycle)
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
1. 50 Ω to V
2. R
3. C
Parameter
term
L
= 15 pF
Parameter
= 100 Ω (differential).
4
DD
– 2.0 V.
2
2
3
1
Symbol
SYM
t
V
V
V
V
V
V
R,
V
V
V
OD
OD
OD
OH
SE
OL
O
O
O
t
F
Symbol
t
OSC
LVPECL:
LVDS:
CMOS:
O
CMOS with C
.
swing (single-ended)
LVPECL/LVDS/CML
Test Condition
I
I
OH
swing (diff)
OL
swing (diff)
swing (diff)
Temp stability = ±20 ppm
Temp stability = ±50 ppm
Temp stability = ±7 ppm
mid-level
mid-level
mid-level
V
1.25 V (diff)
V
= 32 mA
= 32 mA
DD
DD
Rev. 1.1
Test Condition
/2
– 1.3 V (diff)
L
= 15 pF
V
0.8 x V
DD
1.125
0.55
0.70
Min
1.1
0.5
45
—
—
—
—
– 1.42
DD
Min
—
—
—
—
V
DD
0.95
1.20
Typ
0.7
—
—
—
—
—
—
—
– 0.75
1
Typ
—
—
—
—
Si530/531
V
DD
±31.5
±61.5
1.275
Max
Max
0.95
1.20
±20
V
350
1.9
0.9
0.4
10
55
—
—
– 1.25
DD
Units
ppm
ppm
ppm
Units
ms
V
V
V
V
ps
ns
%
V
V
V
V
PP
PP
PP
PP
3