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參數(shù)資料
| 型號： | DEMO9S08LL16 |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 3/44頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD DEMO FOR MC9S08LL16 MCU |
| 產品培訓模塊： | LCD Design Solutions MC9S08LL64/36 LCD MCU Introduction |
| 標準包裝： | 1 |
| 系列： | HCS08 |
| 類型： | MCU |
| 適用于相關產品： | MC9S08LL16 |
| 所含物品： | 板，線纜，DVD |
| 產品目錄頁面： | 730 (CN2011-ZH PDF) |
| 相關產品： | MC9S08LG16CLF-ND - IC MCU 8BIT LG16 FLASH 48-LQFP MC9S08LG16CLH-ND - IC MCU 8BIT LG16 FLASH 64-LQFP |
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Electrical Characteristics
MC9S08LL16 Series MCU Data Sheet, Rev. 7
Freescale Semiconductor
11
3.4
Thermal Characteristics
This section provides information about operating temperature range, power dissipation, and package
thermal resistance. Power dissipation on I/O pins is usually small compared to the power dissipation in
on-chip logic and voltage regulator circuits, and it is user-determined rather than being controlled by the
MCU design. To take PI/O into account in power calculations, determine the difference between actual pin
voltage and VSS or VDD and multiply by the pin current for each I/O pin. Except in cases of unusually high
pin current (heavy loads), the difference between pin voltage and VSS or VDD will be very small.
The average chip-junction temperature (TJ) in °C can be obtained from:
TJ = TA + (PD × θJA)
Eqn. 3-1
where:
TA = Ambient temperature, °C
θJA = Package thermal resistance, junction-to-ambient, °C/W
PD = Pint + PI/O
Pint = IDD × VDD, Watts — chip internal power
PI/O = Power dissipation on input and output pins — user determined
For most applications, PI/O << Pint and can be neglected. An approximate relationship between PD and TJ
(if PI/O is neglected) is:
PD = K ÷ (TJ + 273°C)
Eqn. 3-2
Solving Equation 3-1 and Equation 3-2 for K gives:
K = PD × (TA + 273°C) + θJA × (PD)2
Eqn. 3-3
Table 5. Thermal Characteristics
Rating
Symbol
Value
Unit
Operating temperature range
(packaged)
TA
TL to TH
–40 to 85
°C
Maximum junction temperature
TJM
95
°C
Thermal resistance
Single-layer board
64-pin LQFP
θ
JA
72
°C/W
48-pin QFN
84
48-pin LQFP
81
Thermal resistance
Four-layer board
64-pin LQFP
θ
JA
54
°C/W
48-pin QFN
30
48-pin LQFP
57
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DEMO9S08LL16 BOARD | 制造商:Freescale Semiconductor 功能描述:FREESCALE SEMICONDUCTOR LCD SC08 AND RS08 MCUS - Boxed Product (Development Kits) |
| DEMO9S08LL16 | 制造商:Freescale Semiconductor 功能描述:S08LL Demonstration Board |
| DEMO9S08MP16 | 功能描述:開發(fā)板和工具包 - S08 / S12 DEMO BOARD FOR MP16 FAMI RoHS:否 產品:Development Kits 工具用于評估:MC9S12G128 核心:S12 接口類型:CAN, LIN, RS-232, USB 工作電源電壓:5 V 制造商:Freescale Semiconductor |
| DEMO9S08QB8 | 功能描述:開發(fā)板和工具包 - S08 / S12 LO COST DEMO BOARD RoHS:否 產品:Development Kits 工具用于評估:MC9S12G128 核心:S12 接口類型:CAN, LIN, RS-232, USB 工作電源電壓:5 V 制造商:Freescale Semiconductor |
| DEMO9S08QD4 | 功能描述:開發(fā)板和工具包 - S08 / S12 BRD S08QD4 5V LOW-END 8 RoHS:否 產品:Development Kits 工具用于評估:MC9S12G128 核心:S12 接口類型:CAN, LIN, RS-232, USB 工作電源電壓:5 V 制造商:Freescale Semiconductor |
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