参数资料
型号: MM908E621ACDWB/R2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO54
封装: 17.90 X 7.50 MM, 0.65 MM PITCH, PLASTIC, SOIC-54
文件页数: 60/65页
文件大小: 1221K
代理商: MM908E621ACDWB/R2
Analog Integrated Circuit Device Data
Freescale Semiconductor
63
908E621
ADDITIONAL INFORMATION
THERMAL ADDENDUM (REV 1.0)
Figure 36. Device on Thermal Test Board RθJA
Figure 37. Transient Thermal Resistance RθJA (1.0W Step Response)
Device on Thermal Test Board Area A = 600(mm2)
0
10
20
30
40
50
60
Heat spreading area A [mm]
T
h
er
m
a
lRe
si
st
an
ce
[
C/
W
]
0
300
600
RθJA11
RθJA22
RθJA12 =RθJA21
x
0.1
1
10
100
1.00E-03 1.00E-02
1.00E-01 1.00E+00 1.00E+01 1.00E+02 1.00E+03 1.00E+04
Time[s]
T
h
er
m
a
lRe
si
st
anc
e
[
C/
W
]
RθJA11
RθJA22
RθJA12 =RθJA21
x
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