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| MC68HC908GZ8 Datasheet, PDF (324/344 Pages) Motorola, Inc – Microcontrollers | |||
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Electrical Specifications
24.3 Functional Operating Range
Characteristic
Operating temperature range
Operating voltage range
Symbol
TA
VDD
Value
Unit
â40 to +125
°C
5.0 ±10%
3.3 ±10%
V
24.4 Thermal Characteristics
Characteristic
Symbol
Value
Unit
Thermal resistance
32-pin LQFP
48-pin LQFP
θJA
95
°C/W
95
I/O pin power dissipation
PI/O
User determined
W
Power dissipation(1)
PD
PD = (IDD Ã VDD) + PI/O =
K/(TJ + 273 °C)
W
Constant(2)
K
PD à (TA + 273 °C)
+ PD2 à θJA
W/°C
Average junction temperature
TJ
TA + (PD à θJA)
°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.
Data Sheet
324
Electrical Specifications
MC68HC908GZ8
Freescale Semiconductor
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