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DP83620 Datasheet(PDF) 65 Page - Texas Instruments

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Part # DP83620
Description  DP83620 Industrial Temperature Single Port 10/100 Mbps Ethernet Physical Layer
PDF  105 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

DP83620 Datasheet(HTML) 65 Page - Texas Instruments

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DP83620
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SNLS339C – JANUARY 2011 – REVISED APRIL 2013
Table 9-1. 25 MHz Oscillator Specification
Parameter
Min
Typ
Max
Units
Condition
Frequency
25
MHz
Frequency Tolerance
±50
ppm
Operational Temperature
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 specified by production testing. Refer to SNLA091, “PHYTER 100
Base-TX Reference Clock Jitter Tolerance,” for details on jitter performance.
Table 9-2. 50 MHz Oscillator Specification
Parameter
Min
Typ
Max
Units
Condition
Frequency
50
MHz
Frequency Tolerance
±50
ppm
Operational Temperature
Frequency Stability
±50
ppm
Operational Temperature
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 specified by production testing. Refer to SNLA091, “PHYTER 100
Base-TX Reference Clock Jitter Tolerance,” for details on jitter performance.
Table 9-3. 25 MHz Crystal Specification
Parameter
Min
Typ
Max
Units
Condition
Frequency
25
MHz
Frequency Tolerance
±50
ppm
Operational Temperature
Frequency Stability
±50
ppm
1 year aging
Shunt Capacitance
25
40
pF
Range of CL1and CL2
Copyright © 2011–2013, Texas Instruments Incorporated
Design Guidelines
65
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Product Folder Links: DP83620



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