mc68hc908jb8 Freescale Semiconductor, Inc, mc68hc908jb8 Datasheet - Page 255

• Manufacturer Part Number: mc68hc908jb8
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

18.4 Functional Operating Range
18.5 Thermal Characteristics
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
Freescale Semiconductor
NOTES:
Operating temperature range
Operating voltage range
Thermal Resistance
QFP (44 pins)
SOIC (28 pins)
SOIC (20 pins)
PDIP (20 pins)
I/O pin power dissipation
Power dissipation
Constant
Average junction temperature
Maximum junction temperature
1. Power dissipation is a function of temperature.
2. K is a constant unique to the device. K can be determined for a known T
measured P
(2)
Characteristic
D
Characteristic
. With this value of K, P
Electrical Specifications
(1)
D
and T
Symbol
P
T
P
T
K
JM
I/O
JA
D
J
J
can be determined for any value of T
Symbol
V
P
T
DD
D
A
= (I
P
User determined
K/(T
D
T
Functional Operating Range
A
x (T
DD
+ P
+ (P
J
Value
A
D
100
+ 273 C)
Electrical Specifications
95
70
70
70
V
2
+ 273 C)
4.0 to 5.5
D
DD
0 to 70
Value
) + P
JA
JA
)
Technical Data
I/O
=
A
A
Unit
W/ C
Unit
.
V
C/W
W
W
C
and
C
C
255