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VSC8151 Datasheet(PDF) 20 Page - Vitesse Semiconductor Corporation |
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VSC8151 Datasheet(HTML) 20 Page - Vitesse Semiconductor Corporation |
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20 / 30 page  VITESSE SEMICONDUCTOR CORPORATION Advance Product Information VSC8151 2.488Gb/s SONET/SDH STS-48/STM-16 Section Terminator Page 20 © VITESSE SEMICONDUCTOR CORPORATION 741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896 12/1/99 G52225-0, Rev. 2.9 DC Characteristics Table 16: High-Speed Differential Inputs and Outputs (HSPECL) Table 17: Low-Speed Parallel LVPECL Inputs and Outputs Note: (1) External Reference (VREF) = VTTL -1.32V ± 25mV. (2) Load = 50 Ω to V TTL -2.0V. (3) External VREF current is 50 µA per Input. Table 18: TTL Inputs and Outputs Table 19: Power Supply Currents (+2V/+3.3V Supplies, Outputs Open) Parameter Description Min Typ Max Units Conditions V ODATA Data Output differential voltage (Peak to Peak, Single-ended) 550 — 1200 mV Load = 100 Ohms across TXSOUT+/– at load V OCLK Clock Output differential voltage (Peak to Peak, Single-ended) 450 — 1200 mV Load = 100 Ohms across TXCLKOUT+/– at load V OCM Output common-mode voltage 2100 — 3000 mV Load = 100 Ohms across diff pair R O Output Impedance 40 — 60 ohms Guaranteed, not tested. V ID Input differential voltage 450 — — mV AC Coupled, internally biased to VTTL/2 Parameter Description Min Typ Max Units Conditions V OH Output HIGH voltage VTTL-1020 — VTTL-700 mV — V OL Output LOW voltage VTTL-2000 — VTTL-1620 mV — V IH Input HIGH voltage VTTL-1165 — VTTL-700 mV — V IL Input LOW voltage VTTL-2000 — VTTL-1475 mV — IIH Input HIGH current — — 200 µAV IN = VIH (max) IIL Input LOW current -50 — — µAV IN = VIL (min) Parameter Description Min Typ Max Units Conditions V OH Output HIGH voltage 2.4 — — V IOH = -8mA V OL Output LOW voltage 0 — 0.4 V IOL = 8mA V IH Input HIGH voltage 2.0 — VTTL + 1.0V V — V IL Input LOW voltage 0 — 0.8 V — IIH Input HIGH current - — 500 µAV IN = 2.4V IIL Input LOW current -50 — — µAV IN = 0.4V Parameter Description (Max) Units ITTL Power supply current from VTTL 380 mA IMM Power supply current from VMM 1100 mA PD Power dissipation 3.6 W |
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