参数资料
型号: OR4E062BM680-DB
厂商: LATTICE SEMICONDUCTOR CORP
元件分类: FPGA
英文描述: FPGA, 2024 CLBS, 515000 GATES, PBGA680
封装: PLASTIC, FBGA-680
文件页数: 142/151页
文件大小: 2680K
代理商: OR4E062BM680-DB
90
Lattice Semiconductor
Data Sheet
September, 2002
ORCA Series 4 FPGAs
TimingCharacteristics(continued)
Table55.PrimaryCLK(PCLK)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/holdtimeisforafullyroutedclocktreethatusestheprimaryclocknetwork.ItincludesboththeLVTTL(3.3V)inputclockbuffer
delay,theclockroutingtothePIOCLKinput,thesetup/holdtimeofthePIOFF(withthedatainputdelaydisabled)andtheLVTTL(3.3V)
inputdatabuffertoPIOFFdelay.ThePCLKinputclockisconnectedatthesemi-dedicatedprimaryclockinputpins.
4. FortimingimprovementsusingotherI/Obuffertypesfortheinputclockbufferorinputdatabuffer,seeTable45.
5-4847(F).a
Figure52.InputtoPrimaryClockSetup/HoldTime
Description
Device
Speed
Unit
-1
-2
-3
Min
Max
Min
Max
Min
Max
Input to PCLK Setup Time, Input Data Delay
Enabled
OR4E02
OR4E04
OR4E06
4.37
4.19
4.06
4.36
4.21
4.09
3.99
3.85
3.75
ns
Input to PCLK Setup Time, No Input Data
Delay
OR4E02
OR4E04
OR4E06
0.00
0.00
0.00
ns
Input to PCLK Hold Time, Input Data Delay
Enabled
OR4E02
OR4E04
OR4E06
0.00
0.00
0.00
ns
Input to PCLK Hold Time, No Input Data
Delay
OR4E02
OR4E04
OR4E06
4.93
5.17
5.38
4.45
4.66
4.84
4.02
4.21
4.37
ns
Input Delay Adjustments from PIO Cycle
Stealing (typically used to reduce setup time
by the min value shown):
One Delay Cell
Two Delay Cells
Three Delay Cells
ICYCDEL1
ICYCDEL2
ICYCDEL3
0.89
1.64
2.43
0.70
1.29
1.98
0.64
1.18
1.80
ns
Q
D
PCLK
INPUT
PIOFF
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