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| EP2SGX30C Datasheet, PDF (265/314 Pages) Altera Corporation – Stratix II GX Device | |||
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DC and Switching Characteristics
Table 4â86. Stratix II GX I/O Output Delay for Column Pins (Part 7 of 7)
I/O Standard
1.5-V differential
HSTL Class I (2)
1.5-V differential
HSTL Class II (2)
Drive
Strength
Parameter
Fast Corner
Industrial/
Commercial
-3 Speed
Grade (3)
-3 Speed
Grade (4)
-4 Speed
Grade
-5 Speed
Grade
Unit
4 mA
tOP
tDIP
6 mA
tOP
tDIP
8 mA
tOP
tDIP
10 mA
tOP
tDIP
12 mA
tOP
tDIP
16 mA
tOP
tDIP
18 mA
tOP
tDIP
20 mA
tOP
tDIP
956
1607
1686
1793
1942 ps
978
1673
1756
1867
2032 ps
961
1588
1666
1772
1920 ps
983
1654
1736
1846
2010 ps
943
1590
1668
1774
1922 ps
965
1656
1738
1848
2012 ps
943
1592
1670
1776
1924 ps
965
1658
1740
1850
2014 ps
937
1590
1668
1774
1922 ps
959
1656
1738
1848
2012 ps
924
1431
1501
1596
1734 ps
946
1497
1571
1670
1824 ps
927
1439
1510
1605
1744 ps
949
1505
1580
1679
1834 ps
929
1450
1521
1618
1757 ps
951
1516
1591
1692
1847 ps
Notes to Table 4â86:
(1) This is the default setting in the Quartus II software.
(2) These I/O standards are only supported on DQS pins.
(3) This column refers to â3 speed grades for EP2SGX30, EP2SGX60, and EP2SGX90 devices.
(4) This column refers to â3 speed grades for EP2SGX130 devices.
Table 4â87. Stratix II GX I/O Output Delay for Row Pins (Part 1 of 4)
I/O Standard
LVTTL
Drive
Strength
Parameter
Fast Corner
Industrial/
Commercial
-3 Speed
Grade (3)
4 mA
tOP
tDIP
8 mA
tOP
tDIP
12 mA (1)
tOP
tDIP
1328
1285
1200
1157
1144
1101
2655
2600
2113
2058
2081
2026
-3 Speed
Grade (4)
-4 Speed
Grade
-5 Speed
Grade
Unit
2786
2729
2217
2160
2184
2127
2962
2902
2357
2297
2321
2261
3189 ps
3116 ps
2549 ps
2476 ps
2512 ps
2439 ps
Altera Corporation
October 2007
4â95
Stratix II GX Device Handbook, Volume 1
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