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EP3SE80 Datasheet(PDF) 47 Page - Altera Corporation

Part No. EP3SE80
Description  Stratix III Device Handbook, Volume 2
Download  341 Pages
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Maker  ALTERA [Altera Corporation]
Homepage  http://www.altera.com
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EP3SE80 Datasheet(HTML) 47 Page - Altera Corporation

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Chapter 1: Stratix III Device Datasheet: DC and Switching Characteristics
1–37
I/O Timing
© July 2010
Altera Corporation
Stratix III Device Handbook, Volume 2
Programmable IOE Delay
Table 1–39 lists the Stratix III IOE programmable delay settings.
f For more information about the annotation of delays in the IOE, refer to
Figure 7–7 in the Stratix III Device I/O Features chapter.
Differential SSTL-18 CLASS II
0
pF
1.8-V Differential HSTL CLASS I
0
pF
1.8-V Differential HSTL CLASS II
0
pF
1.5-V Differential HSTL CLASS I
0
pF
1.5-V Differential HSTL CLASS II
0
pF
1.2-V Differential HSTL CLASS I
0
pF
1.2-V Differential HSTL CLASS II
0
pF
LVDS
0
pF
Table 1–38. Default Loading of Various I/O Standards for Stratix III Devices (Part 2 of 2)
I/O Standard
Capacitive
Load
Unit
Table 1–39. IOE Programmable Delay for Stratix III Devices (Note 1)
Parameter
Available
Settings
Min
Offset
(2)
Fast Model
C2
C3
C4
C4L
I3
I4
I4L
Unit
Max
Offset
Max
Offset
Max
Offset
Max
Offset
Max
Offset
Max
Offset
Max
Offset
Max
Offset
Max
Offset
Max
Offset
Max
Offset
D1
15
0
442
491
748
829
916
871
833
870
957
915
833
ps
D2
7
0
248
285
387
412
442
427
411
433
464
448
411
ps
D3
7
0
1625
1806
2747
3058
3371
3218
3084
3210
3540
3382
3084
ps
D4
15
0
491
517
726
872
884
844
808
845
928
887
808
ps
D5
15
0
452
503
764
801
930
887
850
889
977
932
850
ps
D6
6
0
179
199
305
337
370
354
339
354
389
371
339
ps
Notes to Table 1–39:
(1) You can set the parameter values in the Quartus II software by selecting D1, D2, D3, D4, D5, and D6 in the Assignment Name column.
(2) The minimum offset represented in this table does not include the intrinsic delay.


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