WG82574L S LBA9 Intel, WG82574L S LBA9 Datasheet - Page 475
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WG82574L S LBA9
Manufacturer Part Number
WG82574L S LBA9
Description
CONTROLLER, ENET, INTEL 82574L, 64PQFN
Manufacturer
Intel
Datasheet
1.WG82574IT_S_LBAC.pdf
(490 pages)
Specifications of WG82574L S LBA9
Ethernet Type
IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Supply Voltage Range
3V To 3.6V
Operating Temperature Range
0°C To +85°C
Digital Ic Case Style
QFN
No. Of Pins
64
Package / Case
QFN
Interface Type
I2C, JTAG, PCI, SPI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Thermal Design Considerations—82574 GbE Controller
Table 97.
14.11
14.12
Reliability Validation
Measurements for Thermal Specifications
Determining the thermal properties of the system requires careful case temperature
measurements. Guidelines for measuring 82574L case temperature are provided in
Section
Case Temperature Measurements
Maintain 82574L Tcase at or below the maximum case temperatures listed in
to ensure functionality and reliability. Special care is required when measuring the case
temperature to ensure an accurate temperature measurement. Use the following
guidelines when making case measurements:
Care must be taken to avoid introducing errors into the measurements when
measuring a surface temperature that is a different temperature from the surrounding
local ambient air. Measurement errors might be due to a poor thermal contact between
the thermocouple junction and the surface of the package, heat loss by radiation,
convection, conduction through thermocouple leads, and/or contact between the
thermocouple cement and the heat-sink base (if used).
• Measure the surface temperature of the case in the geometric center of the case
• Calibrate the thermocouples used to measure Tcase before making temperature
• Use 36-gauge (maximum) K-type thermocouples.
top.
measurements.
14.12.
1. Performed the above tests on a sample size of at least 12 assemblies from three lots of
2. Additional pass/fail criteria can be added as necessary.
Mechanical shock
Random Vibration
High-temperature
life
Thermal cycling
Humidity
material (total = 36 assemblies).
Test
1
50 G, board level 11 ms, 2 shocks/axis
7.3 G, board level 45 minutes/axis, 50
to 2000 Hz
+85 °C 2000 hours total
Checkpoints occur at 168, 500, 1000,
and 2000 hours
Per-target environment (for example,
-40 °C to +85 °C) 500 cycles
85% relative humidity 85 °C, 1000
hours
Requirement
Visual and electrical check
Visual and electrical check
Visual and mechanical check
Visual and mechanical check
Visual and mechanical check
Pass/Fail Criteria
Table 95
2
475
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