Datasheet

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DP83848M
Table 8. 50 MHz Oscillator Specification
Parameter Min Typ Max Units Condition
Frequency 50 MHz
Frequency
Tolerance
+
50 ppm Operational Tem-
perature
Frequency
Stability
+
50 ppm 1 year aging
Rise / Fall Time 6 nsec 20% - 80%
Jitter
800
1
psec Short term
Jitter
800
1
psec Long term
Symmetry 40% 60% Duty Cycle
1. This limit is provided as a guideline for component selection and not guaranteed by production testing. Refer to AN-
1548, “PHYTER 100 Base-TX Reference Clock Jitter Tolerance,” for details on jitter performance.
Table 9. 25 MHz Crystal Specification
Parameter Min Typ Max Units Condition
Frequency 25 MHz
Frequency
Tolerance
+
50 ppm Operational Tem-
perature
Frequency
Stability
+
50 ppm 1 year aging
Load Capacitance 25 40 pF