80C188EC13 datasheet(24/57 Pages) INTEL

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80C186EC188EC 80L186EC188EC

Package Thermal Specifications

The 80C186EC80L186EC is specified for operation

when TC (the case temperature) is within the range

of b40 Cto a100 C TC may be measured in any

environment to determine whether the processor is

within the specified operating range The case tem-

perature must be measured at the center of the top

surface

TA (the ambient temperature) can be calculated

from iCA (thermal resistance from the case to ambi-

ent) with the following equation

TA e TC b P

iCA

Typical values for iCA at various airflows are given

in Table 9 P (the maximum power consumption

specified in Watts) is calculated by using the maxi-

mum ICC and VCC of 55V

Table 9 Thermal Resistance (iCA) at Various Airflows (in CWatt)

Airflow in ftmin (msec)

200

400

600

800

1000

(0)

(101)

(203)

(304)

(406)

(507)

iCA (PQFP)

270

220

180

150

140

135

iCA (QFP)

645

555

510

TBD

iCA (SQFP)

620

TBD

80C188EC13 Datasheet(PDF) 24 Page - Intel Corporation

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