參數(shù)資料
型號(hào): IMST425-G25S
元件分類: 32位微控制器
英文描述: 32-Bit Microprocessor
中文描述: 32位微處理器
文件頁(yè)數(shù): 48/74頁(yè)
文件大?。?/td> 563K
代理商: IMST425-G25S
IMS T400
/ 74
48
8.4
Power rating
Internal power dissipation (P
INT
) of transputer and peripheral chips depends on
VDD
, as shown in
figure 8.6. P
INT
is substantially independent of temperature.
Power
P
INT
(mW)
4.4
4.6
5.0
5.6
600
500
400
300
4.8
VDD (Volts)
5.2
5.4
T400–20
Figure 8.6
IMS T400 internal power dissipation vs VDD
Total power dissipation (P
D
) of the chip is
P
D
= P
INT
+P
IO
where P
IO
is the power dissipation in the input and output pins; this is application dependent.
Internal working temperature T
J
of the chip is
T
J
=T
A
+
JA
*P
D
where T
A
is theexternal ambient temperaturein
o
C and
in
o
C/W.
JA
is the junction-to-ambientthermal resistance
Further information about device thermal characteristics can be found in section 9.5.
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