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: 135/151页
文件大小: 2680K
代理商: OR4E062BM680-DB
84
Lattice Semiconductor
Data Sheet
September, 2002
ORCA Series 4 FPGAs
TimingCharacteristics(continued)
Table44.PIOOutputBufferTimingCharacteristics
OR4Exx industrial: VDD15 = 1.425 V, VDD33 = 3.0 V, VDDIO = Min, TJ
=+85 °C.
* SeetheSeries4PIOApplicationnoteforoutputloadconditionsontheseoutputbuffertypes.
Note: Thevaluesintheabovetableshouldbeusedtomodifytheresultsallinformationinthefollowingsystemtimingtables,whichareall
basedon12mAFastTTL(OLVTTL_F12)outputtiming.
Parameter
Symbol
Speed
Unit
Output
Load
(pF)
-1
-2
-3
Min
Max
Min Max Min
Max
OutputDelays
Output Delay Adjustments from OLVTTL_F12:
LVTTL_S6 (Slew Limited, 6 mA)
OUT_LVTTL_S6
2.01
1.72
1.56
ns
30 pF
LVTTL_S12 (Slew Limited, 12 mA)
OUT_LVTTL_S12
1.25
1.06
0.97
ns
30 pF
LVTTL_S24 (Slew Limited, 24 mA)
OUT_LVTTL_S24
0.76
0.60
0.55
ns
30 pF
LVTTL_F6 (Fast, 6 mA)
OUT_LVTTL_F6
0.72
0.68
0.61
ns
30 pF
LVTTL_F24 (Fast, 24 mA)
OUT_LVTTL_F24
–0.35
–0.32
–0.29
ns
30 pF
LVCMOS18_S6 (Slew Limited, 6 mA)
OUT_CMOS18_S6
6.91
5.36
4.87
ns
30 pF
LVCMOS18_S12 (Slew Limited, 12 mA)
OUT_CMOS18_S12
6.23
3.90
3.55
ns
30 pF
LVCMOS18_S24 (Slew Limited, 24 mA)
OUT_CMOS18_S24
4.50
3.29
2.99
ns
30 pF
LVCMOS18_F6 (Fast, 6 mA)
OUT_CMOS18_F6
4.75
3.83
3.48
ns
30 pF
LVCMOS18_F12 (Fast, 12 mA)
OUT_CMOS18_F12
2.38
1.86
1.69
ns
30 pF
LVCMOS18_F24 (Fast, 24 mA)
OUT_CMOS18_F24
1.23
0.90
0.82
ns
30 pF
LVCMOS2_S6 (Slew Limited, 6 mA)
OUT_CMOS18_S6
3.26
2.66
2.42
ns
30 pF
LVCMOS2_S12 (Slew Limited, 12 mA)
OUT_CMOS18_S12
2.09
1.69
1.54
ns
30 pF
LVCMOS2_S24(Slew Limited, 24 mA)
OUT_CMOS18_S24
1.58
1.23
1.12
ns
30 pF
LVCMOS2_F6 (Fast, 6 mA)
OUT_CMOS18_F6
1.80
1.59
1.44
ns
30 pF
LVCMOS2_F12 (Fast, 12 mA)
OUT_CMOS18_F12
0.61
0.50
0.45
ns
30 pF
LVCMOS2_F24 (Fast, 24 mA)
OUT_CMOS18_F24
0.03
–0.03
–0.03
ns
30 pF
LVDS
OUT_LVDS
0.07
0.00
0.00
ns
*
LVPECL
OUT_LVPECL
–0.57
–0.55
–0.50
ns
*
PCI_33 (3.3V)
OUT_PCI_33
4.84
3.42
3.11
ns
10 pF
PCI_66 (3.3V)
OUT_PCI_66
4.84
3.42
3.11
ns
10 pF
GTL
OUT_GTL
3.22
2.45
2.23
ns
*
GTLP (GTL+)
OUT_GTLP
3.60
2.76
2.51
ns
*
HSTL_I
OUT_HSTL_I
1.89
1.30
1.18
ns
20 pF
HSTL_II
OUT_HSTL_II
1.89
1.30
1.18
ns
20 pF
HSTL_III
OUT_HSTL_III
2.78
1.78
1.62
ns
20 pF
HSTL_IV
OUT_HSTL_IV
2.78
1.78
1.62
ns
20 pF
SSTL2_I
OUT_SSTL2_I
–0.15
–0.18
–0.16
ns
30 pF
SSTL2_II
OUT_SSTL2_II
–0.15
–0.18
–0.16
ns
30 pF
SSTL3_I
OUT_SSTL3_I
–0.50
–0.41
–0.37
ns
30 pF
SSTL3_II
OUT_SSTL3_II
–0.50
–0.41
–0.37
ns
30 pF
PECL
OUT_PECL
0.12
0.16
0.15
ns
25 pF
OutputDelayAdjustmentsfromCycleStealing(typicallyusedtoadjustsetupvs.clk->out):
OneDelayCell
OCYCDEL1
0.89
0.70
0.64
ns
TwoDelayCells
OCYCDEL2
1.64
1.29
1.18
ns
ThreeDelayCells
OCYCDEL3
2.43
1.98
1.80
ns
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