參數(shù)資料
型號： S12MSCANV2D
廠商： Motorola, Inc.
英文描述： MC9S12DT128 Device User Guide V02.09
中文描述： MC9S12DT128設(shè)備的用戶手冊V02.09
文件頁數(shù)： 101/138頁
文件大小： 2083K
代理商： S12MSCANV2D
MC9S12DT128 Device User Guide — V02.09
101
calculations refer to
Section A.1.8 Power Dissipation and Thermal
Characteristics
.
A.1.8 Power Dissipation and Thermal Characteristics
Power dissipation and thermal characteristics are closely related. The user must assure that the maximum
operating junction temperature is not exceeded. The average chip-junction temperature (T
J
) in
°
C can be
obtained from:
Table A-4 Operating Conditions
Rating
Symbol
Min
Typ
Max
Unit
I/O, Regulator and Analog Supply Voltage
V
DD5
4.5
5
5.25
V
Digital Logic Supply Voltage
1
NOTES
:
1. The device contains an internal voltage regulator to generate the logic and PLL supply out of the I/O supply. The
given operating range applies when this regulator is disabled and the device is powered from an external source.
2. Some blocks e.g. ATD (conversion) and NVMs (program/erase) require higher bus frequencies for proper oper-
ation.
3. Please refer to
Section A.1.8 Power Dissipation and Thermal Characteristics
for more details about the rela-
tion between ambient temperature T
A
and device junction temperature T
J
.
V
DD
2.35
2.5
2.75
V
PLL Supply Voltage
1
V
DDPLL
2.25
2.5
2.75
V
Voltage Difference VDDX to VDDR and VDDA
VDDX
-0.1
0
0.1
V
Voltage Difference VSSX to VSSR and VSSA
VSSX
-0.1
0
0.1
V
Oscillator
f
osc
0.5
-
16
MHz
Bus Frequency
f
bus
0.25
2
-
25
MHz
MC9S12DT128
C
Operating Junction Temperature Range
T
J
-40
-
100
°
C
Operating Ambient Temperature Range
3
T
A
-40
27
85
°
C
MC9S12DT128
V
Operating Junction Temperature Range
T
J
-40
-
120
°
C
Operating Ambient Temperature Range
3
T
A
-40
27
105
°
C
MC9S12DT128
M
Operating Junction Temperature Range
T
J
-40
-
140
°
C
Operating Ambient Temperature Range
3
T
A
-40
27
125
°
C
TJ
TA
PD
Θ
JA
(
)
+
=
TJ
Junction Temperature, [
°
C
]
=
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