mc68hc908ap8cfa Freescale Semiconductor, Inc, mc68hc908ap8cfa Datasheet - Page 300

• Manufacturer Part Number: mc68hc908ap8cfa
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Electrical Specifications
22.3 Functional Operating Range
22.4 Thermal Characteristics
298
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 constant unique to the device. K can be determined for a known T
42-Pin SDIP
44-Pin QFP
48-Pin LQFP
With this value of K, P
(2)
Characteristic
Characteristic
(1)
Table 22-3. Thermal Characteristics
MC68HC908AP Family Data Sheet, Rev. 4
D
and T
Table 22-2. Operating Range
J
can be determined for any value of T
Symbol
Symbol
V
P
T
θ
P
T
T
K
DD
JA
I/O
JM
A
D
J
P
D
= (I
P
User determined
K/(T
D
T
A
x (T
– 40 to +85
DD
+ P
2.7 to 5.5
+ (P
J
Value
Value
× V
A
D
+ 273 °C)
100
60
95
80
2
+ 273 °C)
D
DD
× θ
× θ
) + P
JA
JA
A
A
.
and measured P
)
I/O
=
Freescale Semiconductor
°C/W
°C/W
°C/W
W/°C
Unit
Unit
°C
°C
°C
W
W
V
D.