 English |
|
|
|
|
|
|
|
| MC68HC08BD24 Datasheet, PDF (233/244 Pages) Motorola, Inc – HCMOS Microcontroller Unit | |||
| |||
| ◁ |
19.4 Functional Operating Range
Characteristic
Symbol
Value
Unit
Operating Temperature Range
TA
Operating Voltage Range
VDD
0 to 85
°C
4.5 to 5.5
V
19.5 Thermal Characteristics
Characteristic
Symbol
Value
Unit
Thermal Resistance
QFP (44 Pins)
SDIP (42 Pins)
θJA
95
°C/W
60
I/O Pin Power Dissipation
PI/O
User Determined
W
Power Dissipation(1)
Constant(2)
Average Junction Temperature
Maximum Junction Temperature
PD
PD = (IDD Ã VDD) + PI/O =
K/(TJ + 273 °C)
W
K
PD à (TA + 273 °C)
+ PD2 à θJA
W/°C
TJ
TA + (PD à θJA)
°C
TJM
100
°C
NOTES:
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.
MC68HC08BD24 â Rev. 1.1
Freescale Semiconductor
Technical Data
233
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese