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4.4ElectricalCharacteristics
TMS320C6727,TMS320C6726,TMS320C6722
Floating-PointDigitalSignalProcessors
SPRS268E–MAY2005–REVISEDJANUARY2007
OverOperatingCaseTemperatureRange(UnlessOtherwiseNoted)
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
V
OH
HighLevelOutputVoltageI
O
=–100µADV
DD
–0.2V
V
OL
LowLevelOutputVoltageI
O
=100µA0.2V
I
OH
High-LevelOutputCurrentV
O
=0.8DV
DD
–8mA
I
OL
Low-LevelOutputCurrentV
O
=0.22DV
DD
8mA
V
IH
High-LevelInputVoltage2DV
DD
V
V
IL
Low-LevelInputVoltage00.8V
V
HYS
InputHysterisis0.13DV
DD
V
I
I
,I
OZ
InputCurrentandOffStateOutputPinswithoutpulluporpulldown±10
Current
Pinswithinternalpullup–50–170µA
Pinswithinternalpulldown50170
t
tr
InputTransitionTime25ns
C
I
InputCapacitance7pF
C
O
OutputCapacitance7pF
I
DD2V
CV
DD
Supply
(1)
GDH,CV
DD
=1.2V,658
CPUclock=300MHz
mA
RFP,CV
DD
=1.2V,555
CPUclock=250MHz
I
DD3V
DV
DD
Supply
(1)
GDH,DV
DD
=3.3V,76
32-bitEMIFspeed=100MHz
mA
RFP,DV
DD
=3.3V,58
16-bitEMIFspeed=100MHz
(1)Assumesthefollowingconditions:25°Ccasetemperature;60%CPUutilization;EMIFat50%utilization(100MHz),50%writes,(32bits
forGDH,16bitsforRFP),50%bitswitching;two10-MHzSPIat100%utilization,50%bitswitching.
Theactualcurrentdrawishighlyapplication-dependent.FormoredetailsoncoreandI/Oactivity,refertotheTMS320C672xPower
ConsumptionSummaryApplicationReport(literaturenumberSPRAAA4).
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