參數(shù)資料
型號: MCF51QH128VLF
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: FLASH, 50 MHz, MICROCONTROLLER, PQFP48
封裝: 7 X 7 MM, LQFP-48
文件頁數(shù): 11/72頁
文件大小: 1031K
代理商: MCF51QH128VLF
R2
R1
R4
R3
Bus clock
Data outputs
Data inputs
Figure 4. RGPIO timing diagram
Thermal specifications
5.4.1 Thermal operating requirements
Table 12. Thermal operating requirements
Symbol
Description
Min.
Max.
Unit
TJ
Die junction temperature
–40
125
°C
TA
Ambient temperature
–40
105
°C
5.4.2 Thermal attributes
Board type Symbol
Description
64 LQFP
64
Laminate
QFN
48 LQFP
44
Laminate
QFN
32 QFN
Unit
Notes
Single-layer
(1s)
RθJA
Thermal resistance,
junction to ambient
(natural convection)
73
108
79
108
98
°C/W 1
Four-layer
(2s2p)
RθJA
Thermal resistance,
junction to ambient
(natural convection)
54
69
55
69
33
°C/W 1
Single-layer
(1s)
RθJMA
Thermal resistance,
junction to ambient
(200 ft./min. air speed)
61
91
66
91
81
°C/W 1
Four-layer
(2s2p)
RθJMA
Thermal resistance,
junction to ambient
(200 ft./min. air speed)
48
63
48
63
28
°C/W 1
Table continues on the next page...
5.4
Thermal specifications
MCF51JF128 Advance Information Data Sheet, Rev. 3, 08/2011.
Freescale Semiconductor, Inc.
Preliminary
19
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