參數(shù)資料
型號: MC68HC08LT8
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): 144/156頁
文件大?。?/td> 1030K
代理商: MC68HC08LT8
Electrical Specifications
MC68HC08LT8 Data Sheet, Rev. 1
144
Freescale Semiconductor
16.3 Functional Operating Range
16.4 Thermal Characteristics
Table 16-2. Operating Range
Characteristic
Symbol
Value
Unit
Operating temperature range
T
A
(T
L
to T
H
)
–40 to +85
°
C
Operating voltage range
V
DD
1.8 to 5.5
(1)
1. For normal operation, user should ensure that the device supply voltage is above the LVI trip voltage.
V
LCD voltage
V
LCD
V
SS
to V
DD
V
Table 16-3. Thermal Characteristics
Characteristic
Symbol
Value
Unit
Thermal resistance
44-pin LQFP
θ
JA
85
°
C/W
I/O pin power dissipation
P
I/O
User determined
W
Power dissipation
(1)
1. Power dissipation is a function of temperature.
2. K 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
.
P
D
P
D
= (I
DD
×
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
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