EP2SGX130GF1508C4 Datasheet, PDF (280/316 Pages) Altera Corporation – Section I. Stratix II GX Device Data Sheet

Table 4–93. Stratix II GX Maximum Output Clock Rate for Dedicated Clock Pins (Part 4 of 4)
I/O Standard
Drive Strength
1.8-V differential
Class II
1.5-V differential Class I
1.5-V differential
Class II
HyperTransport
LVPECL
16 mA
18 mA
20 mA
4 mA
6 mA
8 mA
10 mA
12 mA
16 mA
18 mA
20 mA
-
-
-3 Speed
Grade
500
550
550
350
500
700
700
700
600
650
700
300
450
-4 Speed
Grade
500
500
550
300
500
650
700
700
600
600
650
250
400
-5 Speed
Grade
450
500
550
300
450
600
650
700
550
600
600
125
300
Unit
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
(1) This is the default setting in Quartus II software.
Table 4–94 shows the maximum output clock toggle rate for Stratix II GX
device series-terminated column pins.
Table 4–94. Stratix II GX Maximum Output Clock Rate for Column Pins (Series Termination) (Part 1
of 2)
I/O Standard Drive Strength -3 Speed Grade -4 Speed Grade -5 Speed Grade
LVTTL
OCT_25_OHMS
400
400
350
OCT_50_OHMS
400
400
350
LVCMOS
OCT_25_OHMS
350
350
300
OCT_50_OHMS
350
350
300
2.5 V
OCT_25_OHMS
350
350
300
OCT_50_OHMS
350
350
300
1.8 V
OCT_25_OHMS
700
550
450
OCT_50_OHMS
700
550
450
1.5 V
OCT_50_OHMS
550
450
400
SSTL-2 Class I OCT_50_OHMS
600
500
500
SSTL-2 Class II OCT_25_OHMS
600
550
500
Unit
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz