參數(shù)資料
型號(hào): TS68332DESC02ZC
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: High performance 32-bit integrated microcontroller
中文描述: 32-BIT, 20.97 MHz, MICROCONTROLLER, CPGA132
封裝: CERAMIC, PGA-132
文件頁(yè)數(shù): 9/56頁(yè)
文件大?。?/td> 1510K
代理商: TS68332DESC02ZC
9
TS68332
2118A–HIREL–03/02
PowerConsiderations
Theaveragechip-junctiontemperature,T
J
,in°Ccanbeobtainedfrom:
T
J
=T
A
+(P
D
θ
JA
)
T
A
=AmbientTemperature,°C
θ
JA
=PackageThermalResistance,Junction-to-Ambient,°C/W
P
D
=P
INT
+P
I/O
P
INT
=I
CC
V
CC
,Watts-ChipInternalPower
P
I/O
=PowerDissipationonInputandOutputPins-UserDetermined
FormostapplicationsP
I/O
<P
INT
andcanbeneglected.
AnapproximaterelationshipbetweenP
D
andT
J
(ifP
I/O
isneglected)is:
P
D
=K
÷
(T
J
+273)
Solvingequations(1)and(2)forKgives:
(1)
(2)
K=P
D
(T
A
+273)+
θ
JA
P
D
whereKisaconstantpertainingtotheparticularpartKcanbedeterminedfromequa-
tion(3)bymeasuringP
D
(atequilibrium)foraknownT
A
.UsingthisvalueofK,the
valuesofP
D
andT
J
canbeobtainedbysolvingequations(1)and(2)iterativelyforany
valueofT
A
.
2
(3)
Table2.
AbsoluteMaximumRatings
Symbol
Parameter
TestConditions
Min
Max
Unit
V
DD
SupplyVoltage
-0.3
+7.0
V
V
I
InputVoltage
-0.3
+7.0
V
P
DMAX
MaxPowerDissipation
LowPowerOperation
600
mW
StandByMode
500
mW
T
case
OperatingTemperature
MSuffix
-55
+125
°C
VSuffix
-40
+85
°C
T
stg
StorageTemperature
-55
+150
°C
T
leads
LeadTemperature
Max5Sec.Soldering
+270
°C
Table3.
ThermalCharacteristics(at25°C)
Package
Symbol
Parameter
Value
Unit
PGA132
θ
J-A
θ
J-C
θ
J-A
θ
J-C
ThermalResistanceCeramicJunction-to-ambient
TBD
°C/W
ThermalResistanceCeramicJunction-to-case
10
°C/W
CERQUAD132
ThermalResistanceCeramicJunction-to-ambient
TBD
°C/W
ThermalResistanceCeramicJunction-to-case
10
°C/W
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