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GS3490 数据表(PDF) 9 Page - Semtech Corporation |
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GS3490 数据表(HTML) 9 Page - Semtech Corporation |
9 / 22 page GS3490 Final Data Sheet Rev. 1 GENDOC-058568 April 2014 9 of 22 Proprietary & Confidential www.semtech.com Table 2-4: AC Electrical Characteristics - Cable Driver Mode VCC = +3.3V ± 5%, TA= -20°C to +85°C (unless otherwise shown), Functional Temperature Range: -40°C to +85°C Parameter Symbol Conditions Min Typ Max Units Notes Serial Data Rate DRDDI – 270 – 2970 Mb/s – Additive Jitter – 2.97Gb/s – 15 25 pspp – 1.485Gb/s – 15 25 pspp – 270Mb/s – 55 85 pspp – SDO Rise/Fall Time tr, tf CD_SD_EN = 0, 20% - 80% – – 135 ps – tr, tf CD_SD_EN = 1, 20% - 80% 400 – 950 ps – Mismatch in Rise/Fall Time Δt r, Δtf CD_SD_EN = 0 only – – 35 ps – Duty Cycle Distortion – CD_SD_EN = 0, 2.97Gb/s – – 14 ps 1, 2 CD_SD_EN= 0, 1.485Gb/s – – 20 ps 1, 2 CD_SD_EN = 1 – – 50 ps 1, 2 Overshoot – CD_SD_EN = 0 – – 10 % 1 Output Return Loss ORL 5MHz - 1.485GHz 15 – – dB 3 1.485GHz - 2.97GHz 10 – – dB 3 SDO Output Voltage Swing ΔV SDO RSET = 750Ω 750 800 880 mVpp 1 DDI/DDI Input Voltage Swing ΔV DDI Guaranteed functional 100 – 250 mVppd – Guaranteed to meet all published specifications 250 – 2200 mVppd – Cable Driver Mode Enable Delay –– – 0.25 – μs – Notes: 1. Single-ended into 75 Ω external load. 2. Calculated as the actual positive bit-width compared to the expected positive bit-width using a 1010 pattern. 3. ORL depends on board design. The GS3490 achieves this specification on Semtech's evaluation boards. |
类似零件编号 - GS3490 |
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类似说明 - GS3490 |
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