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3.0-VLVCMOS 数据表(PDF) 21 Page - Altera Corporation |
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3.0-VLVCMOS 数据表(HTML) 21 Page - Altera Corporation |
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21 / 34 page ![]() Chapter 1: Cyclone III Device Datasheet 1–21 Switching Characteristics July 2012 Altera Corporation Cyclone III Device Handbook Volume 2 Table 1–29. Cyclone III Devices True LVDS Transmitter Timing Specifications (1) Symbol Modes C6 C7, I7 C8, A7 Unit Min Max Min Max Min Max fHSCLK (input clock frequency) ×10 5 420 5 370 5 320 MHz ×8 5 420 5 370 5 320 MHz ×7 5 420 5 370 5 320 MHz ×4 5 420 5 370 5 320 MHz ×2 5 420 5 370 5 320 MHz ×1 5 420 5 402.5 5 402.5 MHz HSIODR ×10 100 840 100 740 100 640 Mbps ×8 80 840 80 740 80 640 Mbps ×7 70 840 70 740 70 640 Mbps ×4 40 840 40 740 40 640 Mbps ×2 20 840 20 740 20 640 Mbps ×1 10 420 10 402.5 10 402.5 Mbps tDUTY — 4555 455545 55 % TCCS — — 200 — 200 — 200 ps Output jitter (peak to peak) — — 500 — 500 — 550 ps tLOCK (2) — —1—1—1 ms Notes to Table 1–29: (1) True LVDS transmitter is only supported at the output pin of Row I/O (Banks 1, 2, 5, and 6). (2) tLOCK is the time required for the PLL to lock from the end of device configuration. Table 1–30. Cyclone III Devices Emulated LVDS Transmitter Timing Specifications (1) (Part 1 of 2) Symbol Modes C6 C7, I7 C8, A7 Unit Min Max Min Max Min Max fHSCLK (input clock frequency) ×10 5 320 5 320 5 275 MHz ×8 5 320 5 320 5 275 MHz ×7 5 320 5 320 5 275 MHz ×4 5 320 5 320 5 275 MHz ×2 5 320 5 320 5 275 MHz ×1 5 402.5 5 402.5 5 402.5 MHz HSIODR ×10 100 640 100 640 100 550 Mbps ×8 80 640 80 640 80 550 Mbps ×7 70 640 70 640 70 550 Mbps ×4 40 640 40 640 40 550 Mbps ×2 20 640 20 640 20 550 Mbps ×1 10 402.5 10 402.5 10 402.5 Mbps tDUTY — 4555 4555 4555 % TCCS — — 200 — 200 — 200 ps |
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