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OR3C80 Datasheet(PDF) 123 Page - Agere Systems |
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OR3C80 Datasheet(HTML) 123 Page - Agere Systems |
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123 / 210 page  Lucent Technologies Inc. 123 Data Sheet June 1999 ORCA Series 3C and 3T FPGAs Timing Characteristics (continued) Clock Timing Table 52. ExpressCLK (ECLK) and Fast Clock (FCLK) Timing Characteristics OR3Cxx Commercial: VDD = 5.0 V ± 5%, 0 °C < TA < 70 °C; Industrial: VDD = 5.0 V ± 10%, –40 °C < TA < +85 °C. OR3Txxx Commercial: VDD = 3.0 V to 3.6 V, 0 °C < TA < 70 °C; Industrial: VDD = 3.0 V to 3.6 V, –40 °C < TA < +85 °C. Notes: The ECLK delays are to all of the PICs on one side of the device for middle pin input, or two sides of the device for corner pin input. The delay includes both the input buffer delay and the clock routing to the PIC clock input. The FCLK delays are for a fully routed clock tree that uses the ExpressCLK input into the fast clock network. It includes both the input buffer delay and the clock routing to the PFU CLK input. The delay will be reduced if any of the clock branches are not used. Device (TJ = 85 °C, VDD = min) Symbol Speed Unit -4 -5 -6 -7 Min Max Min Max Min Max Min Max Clock Control Timing Delay Through CLKCNTRL (input from corner) ECLKC_DEL 0.31 — 0.31 — 0.31 — 0.31 — ns Delay Through CLKCNTRL (input from inter- nal clock controller PAD) ECLKM_DEL 1.54 — 1.17 — 1.00 — 0.92 — ns Clock Shutoff Timing: Setup from Middle ECLK (shut off to CLK) Hold from Middle ECLK (shut off from CLK) Setup from Corner ECLK (shut off to CLK) Hold from Corner ECLK (shut off from CLK) OFFM_SET OFFM_HLD OFFC_SET OFFC_HLD 0.77 0.00 0.77 0.00 — — — — 0.51 0.00 0.51 0.00 — — — — 0.44 0.00 0.44 0.00 — — — — 0.41 0.00 0.41 0.00 — — — — ns ns ns ns ECLK Delay (middle pad): OR3T20 OR3T30 OR3C/T55 OR3C/T80 OR3T125 ECLKM_DEL — — — — — — — 3.50 3.67 — — — — — — 2.56 2.62 2.74 2.86 3.06 — — — — — 2.05 2.08 2.13 2.19 2.29 — — — — — 1.78 1.80 1.85 1.90 1.98 ns ns ns ns ns ECLK Delay (corner pad): OR3T20 OR3T30 OR3C/T55 OR3C/T80 OR3T125 ECLKC_DEL — — — — — — — 5.47 5.64 — — — — — — 4.48 4.53 4.64 4.77 4.96 — — — — — 3.85 3.97 4.22 4.47 4.85 — — — — — 3.36 3.47 3.69 3.92 4.27 ns ns ns ns ns FCLK Delay (middle pad): OR3T20 OR3T30 OR3C/T55 OR3C/T80 OR3T125 FCLKM_DEL — — — — — — — 8.24 8.87 — — — — — — 5.91 6.12 6.59 7.11 7.98 — — — — — 4.59 4.66 4.83 5.01 5.33 — — — — — 3.81 3.89 4.06 4.26 4.59 ns ns ns ns ns FCLK Delay (corner pad): OR3T20 OR3T30 OR3C/T55 OR3C/T80 OR3T125 FCLKC_DEL — — — — — — — 10.34 11.01 — — — — — — 7.88 8.11 8.60 9.15 10.07 — — — — — 6.41 6.58 6.95 7.34 7.96 — — — — — 5.40 5.58 5.94 6.33 6.94 ns ns ns ns ns |
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