EP2SGX60CF780C4N Datasheet, PDF (286/316 Pages) Altera Corporation – Support for numerous single-ended and differential I/O standards

Table 4–97. Maximum Output Clock Toggle Rate Derating Factors (Part 4 of 5)
Maximum Output Clock Toggle Rate Derating Factors (ps/pF)
I/O Standard
Drive
Strength
Column I/O Pins
Row I/O Pins
Dedicated Clock
Outputs
-3
-4
-5
-3
-4 -5 -3 -4 -5
1.5-V HSTL
Class II
16 mA
95
101 101
-
-
-
96 101 101
18 mA
95
100 100
-
-
-
101 100 100
20 mA
94
101 101
-
-
-
104 101 101
2.5-V differential
8 mA
364 680 680
-
-
-
350 680 680
SSTL Class II (3)
12 mA
163
207 207
-
-
-
188 207 207
16 mA 118 147 147
-
-
-
94 147 147
20 mA
99
122 122
-
-
-
87 122 122
24 mA
91
116 116
-
-
-
85 116 116
1.8-V differential
4 mA
458 570 570
-
-
-
505 570 570
SSTL Class I (3)
6 mA
305 380 380
-
-
-
336 380 380
8 mA
225 282 282
-
-
-
248 282 282
10 mA 167 220 220
-
-
-
190 220 220
12 mA 129 175 175
-
-
-
148 175 175
1.8-V differential
8 mA
173 206 206
-
-
-
155 206 206
SSTL Class II (3)
16 mA
150
160 160
-
-
-
140 160 160
18 mA 120 130 130
-
-
-
110 130 130
20 mA 109 127 127
-
-
-
94 127 127
1.8-V differential
4 mA
245 282 282
-
-
-
229 282 282
HSTL Class I (3)
6 mA
164 188 188
-
-
-
153 188 188
8 mA
123 140 140
-
-
-
114 140 140
10 mA 110 124 124
-
-
-
108 124 124
12 mA
97
110 110
-
-
-
104 110 110
1.8-V differential
16 mA 101 104 104
-
-
-
99 104 104
HSTL Class II (3)
18 mA
98
102 102
-
-
-
93 102 102
20 mA
93
99
99
-
-
-
88
99
99
1.5-V differential
4 mA
168 196 196
-
-
-
188 196 196
HSTL Class I (3)
6 mA
112 131 131
-
-
-
125 131 131
8 mA
84
99
99
-
-
-
95
99
99
10 mA
87
98
98
-
-
-
90
98
98
12 mA
86
98
98
-
-
-
87
98
98