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| 型號： | MCF5235CVM150 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 150 MHz, RISC PROCESSOR, PBGA256 |
| 封裝： | ROHS COMPLIANT, MAPBGA-256 |
| 文件頁數(shù)： | 17/48頁 |
| 文件大小： | 666K |
| 代理商： | MCF5235CVM150 |
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MCF523x Integrated Microprocessor Hardware Specification, Rev. 4
Electrical Characteristics
Freescale Semiconductor
24
7.2
Thermal Characteristics
The below table lists thermal resistance values.
1
Functional operating conditions are given in DC Electrical Specifications. Absolute Maximum
Ratings are stress ratings only, and functional operation at the maxima is not guaranteed.
Continued operation at these levels may affect device reliability or cause permanent damage
to the device.
2
This device contains circuitry protecting against damage due to high static voltage or
electrical fields; however, it is advised that normal precautions be taken to avoid application of
any voltages higher than maximum-rated voltages to this high-impedance circuit. Reliability of
operation is enhanced if unused inputs are tied to an appropriate logic voltage level (e.g.,
either VSS or OVDD).
3
Input must be current limited to the value specified. To determine the value of the required
current-limiting resistor, calculate resistance values for positive and negative clamp voltages,
then use the larger of the two values.
4
All functional non-supply pins are internally clamped to VSS and OVDD.
5
Power supply must maintain regulation within operating OVDD range during instantaneous
and operating maximum current conditions. If positive injection current (Vin > OVDD) is greater
than IDD, the injection current may flow out of OVDD and could result in external power supply
going out of regulation. Insure external OVDD load will shunt current greater than maximum
injection current. This will be the greatest risk when the processor is not consuming power
(ex; no clock).Power supply must maintain regulation within operating OVDD range during
instantaneous and operating maximum current conditions.
Table 8. Thermal Characteristics
Characteristic
Symbol
256
MAPBGA
196
MAPBGA
160
QFP
Unit
Junction to ambient, natural convection
Four layer board (2s2p)
θ
JMA
261,2
1
θ
JMA and Ψjt parameters are simulated in conformance with EIA/JESD Standard 51-2 for natural convection. Freescale
recommends the use of
θ
JmA and power dissipation specifications in the system design to prevent device junction
temperatures from exceeding the rated specification. System designers should be aware that device junction
temperatures can be significantly influenced by board layout and surrounding devices. Conformance to the device
junction temperature specification can be verified by physical measurement in the customer’s system using the
Ψ
jt
parameter, the device power dissipation, and the method described in EIA/JESD Standard 51-2.
2
Per JEDEC JESD51-6 with the board horizontal.
401,2
°C/W
Junction to ambient (@200 ft/min)
Four layer board (2s2p)
θ
JMA
231,2
361,2
°C/W
Junction to board
θ
JB
153
3
Thermal resistance between the die and the printed circuit board in conformance with JEDEC JESD51-8. Board
temperature is measured on the top surface of the board near the package.
203
°C/W
Junction to case
θ
JC
104
4
Thermal resistance between the die and the case top surface as measured by the cold plate method (MIL SPEC-883
Method 1012.1).
104
°C/W
Junction to top of package
Ψ
jt
21,5
5
Thermal characterization parameter indicating the temperature difference between package top and the junction
temperature per JEDEC JESD51-2. When Greek letters are not available, the thermal characterization parameter is
written in conformance with Psi-JT.
21,5
°C/W
Maximum operating junction temperature
Tj
102
104
1056
6
At 100MHz.
oC
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCF5235CVM150 | 制造商:Freescale Semiconductor 功能描述:Microprocessor IC |
| MCF5235CVM150J | 功能描述:32位微控制器 - MCU V2CORE 64KSRAM RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風格:SMD/SMT |
| MCF5235CVM150J | 制造商:Freescale Semiconductor 功能描述:IC 32-BIT MPU 150 MHz 256-BGA |
| MCF5235EC | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Microprocessor Hardware Specification |
| MCF523X | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Microprocessor Hardware Specification |
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