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5CEBA5F23C7N Datasheet(PDF) 8 Page - Altera Corporation |
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5CEBA5F23C7N Datasheet(HTML) 8 Page - Altera Corporation |
8 / 58 page Page 8 Electrical Characteristics Cyclone V Device Datasheet June 2013 Altera Corporation OCT Specifications If you enable on-chip termination (OCT) calibration, calibration is automatically performed at power up for I/Os connected to the calibration block. Table 8 lists the Cyclone V OCT termination calibration accuracy specifications. The OCT calibration accuracy is valid at the time of calibration only. 1 Calibration accuracy for the calibrated on-chip series termination (RS OCT) and on-chip parallel termination (RT OCT) are applicable at the moment of calibration. When process, voltage, and temperature (PVT) conditions change after calibration, the tolerance may change. Table 8. OCT Calibration Accuracy Specifications for Cyclone V Devices Symbol Description Conditions (V) Calibration Accuracy Unit –C6 –C7, –I7 –C8, –A7 25- Ω RS Internal series termination with calibration (25- Ω setting) VCCIO = 3.0, 2.5, 1.8, 1.5, 1.2 ±15 ±15 ±15 % 50- Ω RS Internal series termination with calibration (50- Ω setting) VCCIO = 3.0, 2.5, 1.8, 1.5, 1.2 ±15 ±15 ±15 % 34- Ω and 40-Ω RS Internal series termination with calibration (34- Ω and 40-Ω setting) VCCIO = 1.5, 1.35, 1.25, 1.2 ±15 ±15 ±15 % 48- Ω, 60-Ω, and 80- Ω RS Internal series termination with calibration (48- Ω, 60-Ω, and 80-Ω setting) VCCIO = 1.2 ±15 ±15 ±15 % 50- Ω RT Internal parallel termination with calibration (50- Ω setting) VCCIO = 2.5, 1.8, 1.5, 1.2 -10 to +40 -10 to +40 -10 to +40 % 20- Ω, 30-Ω, 40- Ω, 60-Ω, and 120- Ω RT Internal parallel termination with calibration (20- Ω, 30-Ω, 40-Ω, 60- Ω, and 120-Ω setting) VCCIO = 1.5, 1.35, 1.25 -10 to +40 -10 to +40 -10 to +40 % 60- Ω and 120-Ω RT Internal parallel termination with calibration (60- Ω and 120-Ω setting) VCCIO = 1.2 -10 to +40 -10 to +40 -10 to +40 % 25- Ω RS_left_shift Internal left shift series termination with calibration (25- Ω RS_left_shift setting) VCCIO = 3.0, 2.5, 1.8, 1.5, 1.2 ±15 ±15 ±15 % |
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