Si530/531
Table 2. CLK± Output Frequency Characteristics (Continued)
Parameter
Total Stability
Powerup Time 4
Symbol
t OSC
Test Condition
Temp stability = ±7 ppm
Temp stability = ±20 ppm
Temp stability = ±50 ppm
Min
Typ
Max
±20
±31.5
±61.5
10
Unit
ppm
ppm
ppm
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
Unit
LVPECL Output
Option 1
V O
V OD
V SE
mid-level
swing (diff)
swing (single-ended)
V DD – 1.42
1.1
0.55
V DD – 1.25
1.9
0.95
V
V PP
V PP
LVDS Output Option 2
CML Output Option 2
V O
V OD
V O
V OD
mid-level
swing (diff)
2.5/3.3 V option mid-level
1.8 V option mid-level
2.5/3.3 V option swing (diff)
1.8 V option swing (diff)
1.125
0.5
1.10
0.35
1.20
0.7
V DD – 1.30
V DD – 0.36
1.50
0.425
1.275
0.9
1.90
0.50
V
V PP
V
V
V PP
V PP
CMOS Output Option
3
V OH
V OL
I OH = 32 mA
I OL = 32 mA
0.8 x V DD
V DD
0.4
V
V
Rise/Fall time (20/80%)
t R, t F
LVPECL/LVDS/CML
CMOS with C L = 15 pF
1
350
ps
ns
Symmetry (duty cycle)
SYM
LVPECL:
V DD – 1.3 V
(diff)
LVDS:
1.25 V (diff)
45
55
%
Notes:
1. 50 ? to V DD – 2.0 V.
2. R term = 100 ? (differential).
3. C L = 15 pF
CMOS:
V DD /2
Rev. 1.4
3
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