參數(shù)資料
型號(hào)： 24850
英文描述： Parasite-Power Digital Thermometer
中文描述： Socket 754的設(shè)計(jì)和資格要求
文件頁(yè)數(shù)： 40/40頁(yè)
文件大小： 2405K
代理商： 24850
Socket 754 Design and Qualification Requirements
24850 Rev. 3.07 August 2003
Table 3. Summary of Required Measurements for the Socket 754 (Continued)
Measured
Quantity
Cross talk between
nearest single-
ended and
differential
signals.
Definition
Specified
Value(s)
Cross talk should
be measured and
compared to the
results predicted
from the
measured
loop
L
and
Maxwell
capacitance
matrices.
Measurement
Applicable
Standard
Use EIA-364-90
standard: Method A or
Method B for pin
patterns specified in
Figure 6 on page 29.
This quantity
should be reported
and should serve
as an accuracy
check for the
partial “l(fā)oop”
inductance
loop
L
and the
Maxwell
capacitance
matrices.
partial
Cross talk is
defined as the
voltage (and
current) induced on
quiet (non-driven)
transmission lines
(single-ended or
differential) due to
the nearest driven
(single-ended or
differentially
driven) neighbors.
partial
Measurements are to be
performed for specified
pin patterns that will
include, at least, the
nearest and next to
nearest neighbors.
See Section7.3, and
Section 7.3.1, on page
33 for the definitions
of cross talk in terms
of the elements of the
measured
L
and capacitance
matrices.
partial
loop
Resistance of a
single mated pin.
Minimum number
of pin pairs to be
tested is 168.
DC resistance of a
single mated pin.
20 m
maximum
for Alloy-194 at
the end-of-life
The resistance
measured between the
top of the pin and the
solder pad.
Use EIA-364-23
standard.
Minimum pin
current rating.
DC current flowing
through the mated
pin.
1.2 Amps/pin at
voltages
≤
2 V
for Alloy-194–
The temperature
rise for a
specified pattern
of currents due to
heating should
not exceed 20
o
C.
Use EIA-364-70
standard
Minimum
breakdown voltage
of the insulator.
Dielectric materials
ability to withstand
the stress due to the
applied electric
fields.
650 Vac
Use EIA-364-20
standard
40
Electrical Qualification Requirements
Chapter 7
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