參數(shù)資料
型號: MC68HC11D3CFN2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 9/138頁
文件大?。?/td> 1047K
代理商: MC68HC11D3CFN2
Electrical Characteristics
MC68HC711D3 Data Sheet, Rev. 2.1
106
Freescale Semiconductor
9.3 Functional Operating Temperature Range
9.4 Thermal Characteristics
Rating
Symbol
Value
Unit
Operating temperature range
MC68HC711D3
MC68HC711D3V
TA
TL to TH
–40 to +85
–40 to +105
°C
Characteristic
Symbol
Value
Unit
Average junction temperature
TJ
TA + (PD × ΘJA)
°C
Ambient temperature
TA
User-determined
°C
Package thermal resistance (junction-to-ambient)
40-pin plastic dual in-line package (DIP)
44-pin plastic leaded chip carrier (PLCC)
44-pin plastic quad flat pack (QFP)
ΘJA
50
85
°C/W
Total power dissipation(1)
1. This is an approximate value, neglecting PI/O.
PD
PINT + PI/O
K / TJ + 273°C
W
Device internal power dissipation
PINT
IDD × VDD
W
I/O pin power dissipation(2)
2. For most applications, PI/O ≤ PINT and can be neglected.
PI/O
User-determined
W
A constant(3)
3. K is a constant pertaining to the device. Solve for K with a known TA and a measured PD (at equilibrium). Use this value
of K to solve for PD and TJ, iteratively, for any value of TA.
K
PD × (TA + 273°C)
+ ΘJA × PD2
W/
°C
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