Chapter 5: DC and Switching Characteristics 5–23
Timing Model and Specifications
© August 2009 Altera Corporation MAX II Device Handbook
Table 5–29. External Timing Output Delay and tOD Adders for Fast Slew Rate
I/O Standard
MAX II / MAX IIG MAX IIZ
Unit
–3 Speed
Grade
–4 Speed
Grade
–5 Speed
Grade
–6 Speed
Grade
–7 Speed
Grade
–8 Speed
Grade
Min Max Min Max Min Max Min Max Min Max Min Max
3.3-V LVTTL 16 mA — 0 — 0 — 0 — 0 — 0 — 0 ps
8 mA — 65 — 84 — 104 — –6 — –2 — –3 ps
3.3-V LVCMOS 8 mA — 0 — 0 — 0 — 0 — 0 — 0 ps
4 mA — 65 — 84 — 104 — –6 — –2 — –3 ps
2.5-V LVTTL /
LVCMOS
14 mA — 122 — 158 — 195 — –63 — –71 — –88 ps
7 mA — 193 — 251 — 309 — 10 — –1 — 1 ps
1.8-V LVTTL /
LVCMOS
6 mA — 568 — 738 — 909 — 128 — 118 — 118 ps
3 mA — 654 — 850 — 1,046 — 352 — 327 — 332 ps
1.5-V LVCMOS 4 mA — 1,059 — 1,376 — 1,694 — 421 — 400 — 400 ps
2 mA — 1,167 — 1,517 — 1,867 — 757 — 743 — 743 ps
3.3-V PCI 20 mA — 3 — 4 — 5 — –6 — –2 — –3 ps
Table 5–30. External Timing Output Delay and tOD Adders for Slow Slew Rate
I/O Standard
MAX II / MAX IIG MAX IIZ
Unit
–3 Speed
Grade
–4 Speed
Grade
–5 Speed
Grade
–6 Speed
Grade
–7 Speed
Grade
–8 Speed
Grade
Min Max Min Max Min Max Min Max Min Max Min Max
3.3-V LVTTL 16 mA — 7,064 — 6,745 — 6,426 — 5,966 — 5,992 — 6,118 ps
8 mA — 7,946 — 7,627 — 7,308 — 6,541 — 6,570 — 6,720 ps
3.3-V LVCMOS 8 mA — 7,064 — 6,745 — 6,426 — 5,966 — 5,992 — 6,118 ps
4 mA — 7,946 — 7,627 — 7,308 — 6,541 — 6,570 — 6,720 ps
2.5-V LVTTL /
LVCMOS
14 mA — 10,434 — 10,115 — 9,796 — 9,141 — 9,154 — 9,297 ps
7 mA — 11,548 — 11,229 — 10,910 — 9,861 — 9,874 — 10,037 ps
1.8-V LVTTL /
LVCMOS
6 mA — 22,927 — 22,608 — 22,289 — 21,811 — 21,854 — 21,857 ps
3 mA — 24,731 — 24,412 — 24,093 — 23,081 — 23,034 — 23,107 ps
1.5-V LVCMOS 4 mA — 38,723 — 38,404 — 38,085 — 39,121 — 39,124 — 39,124 ps
2 mA — 41,330 — 41,011 — 40,692 — 40,631 — 40,634 — 40,634 ps
3.3-V PCI 20 mA — 261 — 339 — 418 — 6,644 — 6,627 — 6,914 ps