参数资料
型号: OR4E063BA352-DB
厂商: LATTICE SEMICONDUCTOR CORP
元件分类: FPGA
英文描述: FPGA, 2024 CLBS, 515000 GATES, PBGA352
封装: PLASTIC, BGA-352
文件页数: 139/151页
文件大小: 2680K
代理商: OR4E063BA352-DB
88
Lattice Semiconductor
Data Sheet
September, 2002
ORCA Series 4 FPGAs
TimingCharacteristics(continued)
Table53.SecondaryCLK(SCLK)Setup/HoldTimewithouton-chipPLLs(Pin-to-Pin)
OR4Exxx industrial: VDD15 = 1.425 V to 1.575 V, VDD33 = 3.0 V to 3.6 V, VDDIO = 3.0 V to 3.6 V, –40 °C
< TJ
< +85 °C.
Notes:
1. Thepin-to-pintimingparametersinthistablewillmatchORCAFoundryiftheclockdelaymultiplierinthesetuppreferenceissetto0.95for
setuptimeand1.05forholdtime.
2. Timingiswithouttheuseofthephase-lockedloops(PLLs)orPIOinputFFcyclestealingdelays(whichcanprovidereductionsinsetuptime
attheexpenseofholdtime).
3. Thissetup/holdtimeisforafullyroutedclocktreethatusesthesecondaryclocknetwork.ItincludesboththeLVTTL(3.3V)inputclockbuffer
delay,theclockroutingtothePIOCLKinput,thesetup/holdtimeofthePIOFF(withthedatainputdelaydisabled)andthe
LVTTL(3.3V)inputdatabuffertoPIOFFdelay.AnSCLKinputclockcanbeatanyinputpin.
4. FortimingimprovementsusingotherI/Obuffertypesfortheinputclockbufferorinputdatabuffer,seeTable45.
5. TheORT8850HFPSChasslightlyreducedperformancefromthevaluesinthistable.ORCAFoundrywillreporttheactualdelayvaluesfor
alldevices,includingtheORT8850Hinthisarrangement.
5-4847(F).b
Figure50.InputtoSecondaryCLKSetup/HoldTime
Description
Device
Speed
Unit
-1
-2
-3
Min
Max
Min
Max
Min
Max
InputtoSCLKSetupTime(Inputwithin6
PICsofSCLKinput),FastCaptureEnabled
All
5.95
5.54
5.06
ns
InputtoSCLKSetupTime(Inputwithin6
PICsofSCLKinput),NoInputDataDelay
All
0.00
0.00
0.00
ns
ReducedSetupTimepereachextra6PICs
perclockroutedirection.
All
0.36
0.38
0.34
ns
InputtoSCLKHoldTime(Inputwithin6
PICsofSCLKinput),FastCaptureEnabled
All
0.00
0.00
0.00
ns
InputtoSCLKHoldTime(Inputwithin6
PICsofSCLKinput),NoInputDataDelay
All
3.07
3.04
2.74
ns
AdditionalHoldTimepereachextra6PICs
perclockroutedirection.
All
0.36
0.38
0.34
ns
InputDelayAdjustmentsfromPIOCycle
Stealing(typicallyusedtoreducesetuptime
bytheminvalueshown):
OneDelayCell
TwoDelayCells
ThreeDelayCells
ICYCDEL1
ICYCDEL2
ICYCDEL3
0.89
1.64
2.43
0.70
1.29
1.98
0.64
1.18
1.80
ns
Q
D
SCLK
INPUT
PIOFF
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