RTL8111E-VC-CG View Datasheet(PDF) - Realtek Semiconductor

Part Name

Description

MFG CO.

RTL8111E-VC-CG

INTEGRATED GIGABIT ETHERNET CONTROLLER FOR PCI EXPRESS APPLICATIONS

Realtek Semiconductor 

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RTL8111E

Datasheet

8.3. Crystal Requirements

Table 16. Crystal Requirements

Symbol

Description/Condition

Minimum Typical Maximum Unit

Fref

Parallel Resonant Crystal Frequency Tolerance,

Fundamental Mode, AT-Cut Type.

-

25

-

MHz

Fref Stability

Parallel Resonant Crystal Frequency Tolerance,

Fundamental Mode, AT-Cut Type. Ta=0°C~70°C.

-30

-

+30

ppm

Fref Tolerance

Parallel Resonant Crystal Frequency Tolerance,

Fundamental Mode, AT-Cut Type. Ta=25°C.

-50

-

+50

ppm

Fref Duty Cycle Reference Clock Input Duty Cycle.

40

-

60

%

ESR

Jitter

Equivalent Series Resistance.

Broadband Peak-to-Peak Jitter2

-

-

30

Ω

-

-

200

ps

DL

Drive Level.

-

-

0.3

mW

Note1: The CLK source can come from other places in the system, but it must accord with the parameters above.

Note 2: Broadband RMS=9ps; 25KHz to 25MHz RMS=3ps.

8.4. Oscillator Requirements

Table 17. Oscillator Requirements

Parameter

Condition

Minimum

Typical

Maximum

Unit

Frequency

-

-

25

-

MHz

Frequency Stability

Ta = 0°C~70°C

-30

-

+30

ppm

Frequency Tolerance

Ta = 25°C

-50

-

+50

ppm

Duty Cycle

-

40

-

60

%

Broadband Peak-to-Peak Jitter2

-

-

-

200

ps

Vp-p

-

3.15

3.3

3.45

V

Rise Time

-

-

-

10

ns

Fall Time

-

-

-

10

ns

Operation Temp Range

-

0

-

70

°C

Note 1: The CLK source can come from other places in the system, but it must accord with the parameters above.

Note 2: Broadband RMS=9ps; 25KHz to 25MHz RMS=3ps.

Integrated Gigabit Ethernet Controller for PCI Express

24

Track ID: JATR-2265-11 Rev. 1.5

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