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6.4 PACKAGE THERMAL
SPECIFICATION
80386
to determine whether the 80386
is
within specified
operating range.
The
80386
is
specified for operation when case tem-
perature
is
within the range of 0°C-85°C. The case
temperature may
be
measured
in
any environment,
The PGA case temperature should be measured at
the center of the top surface opposite the pins, as
in
Figure 6-4.
MEASURE
PGA
CASE
TEMPERATURE
AT
CENTER
Of
TOP
SURfACE
231630-36
Figure 6·4. Measuring 80386 PGA Case Temperature
Table 6-2. Several
Socket
Options
for
132-Pin PGA
Low insertion force (LlF) soldertail
55274·1
Amp tests indicate 50% reduction in insertion
force compared to machined sockets
Other socket options
• Zero insertion force (ZIF) soldertail
55583·1
Zero insertion force (ZIF) Burn·in version
55573-2
Amp
Incorporated
(Harrisburg,
PA
17105
U.S.A.
Phone 717·564-0100)
231630-45
Cam handle locks in low profile position when substrate
is
installed (handle
UP
for
open and
DOWN for closed positions)
courtesy Amp
Incorporated
98