I347-AT4 Datasheet, PDF (130/148 Pages) Intel Corporation – Intel® Ethernet Network Connection I347-AT4 Datasheet

I347-AT4—Electrical and Timing Specifications
S_INP/N
MDI 1000
100
10
1st /S/
/S/
T _{AS_SERRX_MDI}
SSD1
SSD2
/J/
/K/
PREAMBLE
1st /T/
/T/
T _{DA_SERRX_MDI}
(CSExtend, CSExtend_Err)
CSReset
/T/
/R/
ETD
Figure 35. SGMII to 10/100/1000BASE-T Latency Timing (Register 27_4.14 = 1b)
5.10
Crystal Specifications
Parameter
Frequency
Vibration Mode
Frequency Tolerance
Temperature Tolerance
Series Resistance
Crystal Load Capacitance
Shunt Capacitance
Drive Level
Aging
Calibration Mode
Insulation Resistance
External Capacitors
Name Symbol
fo
∆f/fo @25°C
∆f/fo
Rs
Cload
Co
D_L
∆f/fo
IR
C1, C2
Recommended
Value
25.000 [MHz]
Fundamental
±30 [ppm]
±30 [ppm]
18 [pF]
Parallel
27 [pF]
Max/Min Range
Conditions
@25 [°C]
50 [Ω] max
@25 [°C]
0 to +70 [°C]
@25 [MHz]
6 [pF] max
500 [μW] max
±5 ppm per year
max
500 [MΩ] min
@ 100 V dc
120