mc68hc908lj24 Freescale Semiconductor, Inc, mc68hc908lj24 Datasheet - Page 437

• Manufacturer Part Number: mc68hc908lj24
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

24.4 Functional Operating Range
24.5 Thermal Characteristics
MC68HC908LJ24/LK24 — Rev. 2.1
Freescale Semiconductor
Notes:
Operating temperature range
Operating voltage range
Thermal resistance
I/O pin power dissipation
Power dissipation
Constant
Average 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
64-pin LQFP
64-pin QFP
80-pin LQFP
80-pin QFP
With this value of K, P
Characteristic
Characteristic
(2)
Electrical Specifications
Table 24-2. Functional Operating Range
(1)
Table 24-3. Thermal Characteristics
D
and T
J
can be determined for any value of T
Symbol
Symbol
V
P
θ
P
T
T
K
DD
JA
I/O
A
D
J
P
D
= (I
P
User determined
K/(T
D
T
A
DD
x (T
– 40 to +85
+ P
3.3 ± 10%
+ (P
5 ± 10%
Functional Operating Range
J
Value
Value
× V
A
D
+ 273 °C)
72
67
85
75
2
+ 273 °C)
D
× θ
Electrical Specifications
DD
× θ
) + P
JA
A
JA
A
.
and measured P
)
I/O
=
Data Sheet
°C/W
W/°C
Unit
Unit
°C
°C
W
W
V
437
D.