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EP1C12F100I7 Datasheet(PDF) 86 Page - Altera Corporation |
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EP1C12F100I7 Datasheet(HTML) 86 Page - Altera Corporation |
86 / 94 page ![]() 86 Altera Corporation Cyclone FPGA Family Data Sheet Preliminary Information Tables 59 through 64 show the adder delays associated with column and row I/O pins for all packages. If an I/O standard is selected other than LVTTL 24 mA with a fast slew rate, add the selected delay to the external tCO and tSU I/O parameters shown in Tables 44 through 47. Table 59. Cyclone I/O Standard Column Pin Input Delay Adders I/O Standard -6 Speed Grade -7 Speed Grade -8 Speed Grade Unit MinMax MinMax MinMax LVCMOS 0 0 0 ps 3.3-V LVTTL 0 0 0 ps 2.5-V LVTTL 28 30 33 ps 1.8-V LVTTL 214 235 256 ps 1.5-V LVTTL 326 358 391 ps SSTL-3 class I −221 −244 −266 ps SSTL-3 class II −221 −244 −266 ps SSTL-2 class I −264 −291 −317 ps SSTL-2 class II −264 −291 −317 ps LVDS −197 −217 −237 ps Table 60. Cyclone I/O Standard Row Pin Input Delay Adders I/O Standard -6 Speed Grade -7 Speed Grade -8 Speed Grade Unit MinMax MinMax MinMax LVCMOS 0 0 0 ps 3.3-V LVTTL 0 0 0 ps 2.5-V LVTTL 28 30 33 ps 1.8-V LVTTL 214 235 256 ps 1.5-V LVTTL 326 358 391 ps 3.3-V PCI (1) 000 ps SSTL-3 class I −221 −244 −266 ps SSTL-3 class II −221 −244 −266 ps SSTL-2 class I −264 −291 −317 ps SSTL-2 class II −264 −291 −317 ps LVDS −197 −217 −237 ps |
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