參數(shù)資料
型號: MC68HC08KH12A
廠商: 飛思卡爾半導體(中國)有限公司
英文描述: Microcontrollers
中文描述: 微控制器
文件頁數(shù): 168/178頁
文件大?。?/td> 925K
代理商: MC68HC08KH12A
Electrical Specifications
MC68HC08KH12A Data Sheet, Rev. 1.1
168
Freescale Semiconductor
17.3 Functional Operating Range
17.4 Thermal Characteristics
Characteristic
Symbol
Value
Unit
Operating Temperature Range
T
A
0 to 85
°
C
Operating Voltage Range
V
DD
4.0 to 5.5
V
Characteristic
Symbol
Value
Unit
Thermal Resistance
QFP (64 Pins)
θ
JA
70
°
C/W
I/O Pin Power Dissipation
P
I/O
User Determined
W
Power Dissipation
(1)
P
D
P
D
= (I
DD
x V
DD
) + P
I/O
=
K/(T
J
+ 273
°
C)
W
Constant
(2)
K
P
D
x
(T
A
+ 273
°
C
)
+ P
D2
×
θ
JA
W/
°
C
Average Junction Temperature
T
J
T
A
+ (P
D
× θ
JA
)
°
C
Maximum Junction Temperature
T
JM
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 T
A
and measured
P
D.
With this value of K, P
D
and T
J
can be determined for any value of T
A
.
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