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5鈥�56
Altera Corporation
Stratix II Device Handbook, Volume 1
April 2011
Timing Model
1.2-V HSTL
tPI
645
677
1194
1252
-
ps
tPCOUT
379
398
758
795
-
ps
(1)
These I/O standards are only supported on DQS pins.
(2)
These numbers apply to -3 speed grade EP2S15, EP2S30, EP2S60, and EP2S90 devices.
(3)
These numbers apply to -3 speed grade EP2S130 and EP2S180 devices.
Table 5鈥�74. Stratix II I/O Input Delay for Row Pins (Part 1 of 2)
I/O Standard
Parameter
Minimum Timing
-3 Speed
Grade
-3 Speed
Grade
-4 Speed
Grade
-5 Speed
Grade
Unit
Industrial
Commercial
LVTTL
tPI
715
749
1287
1350
1477
1723
ps
tPCOUT
391
410
760
798
873
1018
ps
2.5 V
tPI
726
761
1273
1335
1461
1704
ps
tPCOUT
402
422
746
783
857
999
ps
1.8 V
tPI
788
827
1427
1497
1639
1911
ps
tPCOUT
464
488
900
945
1035
1206
ps
1.5 V
tPI
792
830
1498
1571
1720
2006
ps
tPCOUT
468
491
971
1019
1116
1301
ps
LVCMOS
tPI
715
749
1287
1350
1477
1723
ps
tPCOUT
391
410
760
798
873
1018
ps
SSTL-2 Class I
tPI
547
573
879
921
1008
1176
ps
tPCOUT
223
234
352
369
404
471
ps
SSTL-2 Class II
tPI
547
573
879
921
1008
1176
ps
tPCOUT
223
234
352
369
404
471
ps
SSTL-18 Class I
tPI
577
605
960
1006
1101
1285
ps
tPCOUT
253
266
433
454
497
580
ps
SSTL-18 Class II
tPI
577
605
960
1006
1101
1285
ps
tPCOUT
253
266
433
454
497
580
ps
1.5-V HSTL
Class I
tPI
602
631
1056
1107
1212
1413
ps
tPCOUT
278
292
529
555
608
708
ps
Table 5鈥�73. Stratix II I/O Input Delay for Column Pins (Part 3 of 3)
I/O Standard
Parameter
Minimum Timing
-3 Speed
Grade
(2)
-3 Speed
Grade
(3)
-4 Speed
Grade
-5 Speed
Grade
Unit
Industrial
Commercial