
Si570/Si571
6
Rev. 0.31
Table 3. CLK± Output Frequency Characteristics
Parameter
Symbol
Test Condition
Min
Typ
Max
Units
Programmable Frequency
Range1,2,3
fO
LVPECL/LVDS/CML
10
—
945
MHz
CMOS
10
—
160
Temperature Stability1,4
TA = –40 to +85 C
–20
–50
–100
—
+20
+50
+100
ppm
Aging
fa
Frequency drift over first year
—
±3
ppm
Frequency drift over 15 year life
—
±10
ppm
Total Stability
Temp stability = ±20 ppm
—
±31.5
ppm
Temp stability = ±50 ppm
—
±61.5
ppm
Absolute Pull Range1,4
APR
±25
—
±375
ppm
Power up Time5
tOSC
——
10
ms
Settling Time after Frequency
Change
tFRQ
f1 within ±100 ppm of f0
—
100
s
f1 > ±100 ppm of f0
——
10
ms
Notes:
2. Specified at time of order by part number. Also available in frequencies from 970 to 1134 MHz and 1213 to 1417 MHz.
3. Nominal output frequency set by VCNOM =1/2 xVDD.
4. Selectable parameter specified by part number.
5. Time from power up or tristate mode to fO.