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| MC68HC08XL36 Datasheet, PDF (323/362 Pages) Freescale Semiconductor, Inc – HCMOS Microcontroller Unit | |||
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Freescale Semiconductor, Inc.
Specifications
Preliminary Electrical Specifications
Thermal
Characteristics
Table 3. Thermal Characteristics
Characteristic
Symbol
Value
Unit
Thermal Resistance
QFP(64 pin)
SDIP (56 pin)
θJA
85
°C/W
50
I/O Pin Power Dissipation
PI/O
User Determined
W
Power Dissipation(1)
PD
PD = (IDD x VDD) + PI/O =
K/(TJ + 273 °C)
W
Constant(2)
K
PD x (TA + 273 °C)
+ PD2 x θJA
W°C
Average Junction Temperature
TJ
TA + (PD x θJA)
°C
Maximum Junction Temperature
TJM
125
°C
1. Power dissipation is a function of temperature.
2. K is a constant unique to the device. K can be determined for a known TA and measured PD. With this value of
K, PD and TJ can be determined for any value of TA.
3-spec_b
MOTOROLA
Specifications
For More Information On This Product,
Go to: www.freescale.com
MC68HC08XL36
323
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