参数资料
型号: MC9S12DJ128BMFU
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP80
封装: QFP-80
文件页数: 120/128页
文件大小: 2183K
代理商: MC9S12DJ128BMFU
MC9S12DT128B Device User Guide — V01.09
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 (TJ)in °C can be
obtained from:
Table A-4 Operating Conditions
Rating
Symbol
Min
Typ
Max
Unit
I/O, Regulator and Analog Supply Voltage
VDD5
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
absolute maximum ratings apply when this regulator is disabled and the device is powered from an external
source.
VDD
2.35
2.5
2.75
V
PLL Supply Voltage 2
VDDPLL
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
fosc
0.5
-
16
MHz
Bus Frequency
fbus
0.5
-
25
MHz
MC9S12DT128BC
Operating Junction Temperature Range
T
J
-40
-
100
°C
Operating Ambient Temperature Range 2
2. Please refer to Section A.1.8 Power Dissipation and Thermal Characteristics for more details about the rela-
tion between ambient temperature TA and device junction temperature TJ.
T
A
-40
27
85
°C
MC9S12DT128BV
Operating Junction Temperature Range
T
J
-40
-
120
°C
Operating Ambient Temperature Range 2
T
A
-40
27
105
°C
MC9S12DT128BM
Operating Junction Temperature Range
T
J
-40
-
140
°C
Operating Ambient Temperature Range 2
T
A
-40
27
125
°C
T
J
T
A
P
D
Θ
JA
()
+
=
T
J
Junction Temperature, [
°C ]
=
T
A
Ambient Temperature, [
°C ]
=
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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