RTL8111E-VL-CG データシートの表示（PDF） - Realtek Semiconductor

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RTL8111E-VL-CG

INTEGRATED GIGABIT ETHERNET CONTROLLER FOR PCI EXPRESS APPLICATIONS

Realtek Semiconductor 

RTL8111E

Datasheet

8.8.2. Differential Receiver Parameters

Table 26. Differential Receiver Parameters

Symbol

Parameter

Min. Typical Max. Units

UI

Unit Interval

399.88

400

400.12

ps

VRX-DIFFp-p

Differential Input Peak-to-Peak Voltage

0.175

-

1.05

V

TRX-EYE

Minimum Receiver Eye Width

0.4

-

-

UI

TRX-EYE-MEDIAN-to- Maximum Time Between The Jitter Median and

MAX-JITTER

Maximum Deviation from The Median

-

-

0.3

UI

VRX-CM-ACp

AC Peak Common Mode Input Voltage

-

-

150

mV

RLRX-DIFF

Differential Return Loss

10

-

-

dB

RLRX-CM

Common Mode Return Loss

6

-

-

dB

ZRX-DIFF-DC

DC Differential Input Impedance

80

100

120

Ω

ZRX--DC

DC Input Impedance

40

50

60

Ω

ZRX-HIGH-IMP-DC

Powered Down DC Input Impedance

200k

-

-

Ω

VRX-IDLE-DET-DIFFp-p Electrical Idle Detect Threshold

65

-

175

mV

TRX-IDLE-DET-

Unexpected Electrical Idle Enter Detect Threshold

-

DIFFENTERTIME

Integration Time

-

10

ms

LRX-SKEW

Total Skew

-

-

20

ns

Note: Refer to PCI Express Base Specification, rev.1.1, for correct measurement environment setting of each parameter.

8.8.3. REFCLK Parameters

Symbol

Rise Edge Rate

Fall Edge Rate

VIH

VIL

VCROSS

VCROSS DELTA

VRB

TSTABLE

TPERIOD AVG

TPERIOD ABS

TCCJITTER

VMAX

VMIN

Table 27. REFCLK Parameters

Parameter

100MHz Input

Min

Max

Rising Edge Rate

0.6

4.0

Falling Edge Rate

0.6

4.0

Differential Input High Voltage

+150

-

Differential Input Low Voltage

-

-150

Absolute Crossing Point Voltage

+250

+550

Variation of VCROSS Over All Rising Clock Edges

-

+140

Ring-Back Voltage Margin

-100

+100

Time before VRB is Allowed

500

-

Average Clock Period Accuracy

-300

+2800

Absolute Period

9.847

10.203

(Including Jitter and Spread Spectrum)

Cycle to Cycle Jitter

-

150

Absolute Maximum Input Voltage

-

+1.15

Absolute Minimum Input Voltage

-

-0.3

Units Note

V/ns 2, 3

V/ns 2, 3

mV

2

mV

2

mV 1, 4, 5

mV 1, 4, 9

mV 2, 12

ps

2, 12

ppm 2, 10, 13

ns

2, 6

ps

2

V

1, 7

V

1, 8

Integrated Gigabit Ethernet Controller for PCI Express

26

Track ID: JATR-2265-11 Rev. 1.1

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