mc68hc908gr8b Freescale Semiconductor, Inc, mc68hc908gr8b Datasheet - Page 230

• Manufacturer Part Number: mc68hc908gr8b
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Electrical Specifications
19.3 Functional Operating Range
19.4 Thermal Characteristics
230
Operating temperature range
Operating voltage range
Thermal resistance
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
PDIP (28-pin)
SOIC (28-pin)
QFP (32-pin)
T
J
can be determined for any value of T
(2)
(1)
Characteristic
Characteristic
MC68HC908GR8B Data Sheet, Rev. 3.0
A
.
Symbol
Symbol
A
V
P
T
P
and measured P
T
T
K
DD
JA
I/O
JM
A
D
J
P
D
= (I
P
User-Determined
D
T
K/(T
D
A
DD
–40 to +125
+ P
. With this value of K, P
x (T
3.0 10%
5.0 10%
+ (P
J
Value
Value
D
A
140
+ 273 C)
60
60
95
2
V
D
+ 273 C)
Freescale Semiconductor
DD
) + P
JA
JA
)
I/O
=
D
W/ C
Unit
Unit
C/W
and
W
W
V
C
C
C