參數(shù)資料
型號(hào)： PC8260VTPU200
廠商： Atmel Corp.
英文描述： PowerPC-based Communications Processors
中文描述： 基于PowerPC的通信處理器
文件頁(yè)數(shù)： 33/53頁(yè)
文件大?。?/td> 364K
代理商： PC8260VTPU200
33
PC8260PowerQUICCII
2131B–HIREL–02/03
ApplicableDocuments
1.
2.
MIL-STD-883:Testmethodsandproceduresforelectronics.
SQ32S0100.0:Qualitylevelsforsuppliedcomponents.
Requirements
General
Themicrocircuitsareinaccordancewiththeapplicabledocumentsandasspecified
herein.
TerminalConnections
TheterminalconnectionsareshowninTable2onpage8.
AbsoluteMaximumRatings
Note:
Absolutemaximumratingsarestressratingsonly.Functionaloperation(seeTableon
page34)atthemaximumsisnotguaranteed.Stressbeyondthoselistedmayaffect
devicereliabilityorcausepermanentdamage.
Warning
V
IN
mustnotexceedV
DDH
bymorethan2.5Vatanytime,includingduringpower-on
reset.V
DDH
mustnotexceedV
DD
/V
CCSYN
bymorethan1.6Vatanytime,includingduring
power-onreset.V
DD
/V
CCSYN
mustnotexceedV
DDH
bymorethan0.4Vatanytime,
includingduringpower-onreset.Itisrecommendedtouseabootstrapdiodebetween
thepowerrails,asshowninFigure3.
Figure3.
BootstrapDiodesforPower-upSequencing
SelectthebootstrapdiodessothatanominalV
DD
/V
CCSYN
issourcedfromtheV
DDH
powersupplyuntiltheV
DD
/V
CCSYN
powersupplybecomesactive.InFigure3,two
MUR420Schottkybarrierdiodesareconnectedinaseries;eachhasaforwardvoltage
(V
F
)of0.6Vathighcurrents,andsoprovidesa1.2Vdrop,maintaining2.1Vonthe2.5V
powerline.Oncethecore/PLLpowersupplystabilizesat2.5V,thebootstrapdiode(s)
willbereversebiasedwithnegligibleleakagecurrent.
Table5.
MaximumRatings
Symbol
Rating
Value
Unit
V
DD
CoreSupplyVoltage
-0.3/2.75
V
V
CCSYN
PLLSupplyVoltage
-0.3/2.75
V
V
DDH
I/OSupplyVoltage
-0.3/3.6
V
V
IN
InputVoltage
(GND-0.3)/3.6
V
T
STG
StorageTemperatureRange
-65/+150
°C
MUR420
MUR420
2.5V(VDD/VCCSYN)
3.3V (VDDH)
I/O Power
Core/Pll
Power
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