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XRT82D20IW Datasheet(PDF) 9 Page - Exar Corporation |
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XRT82D20IW Datasheet(HTML) 9 Page - Exar Corporation |
9 / 24 page XRT82D20 8 REV. 1.0.8 SINGLE CHANNEL E1 LINE INTERFACE UNIT PC Power Consumption - 125 160 mW 120 Ω load, operating at 100% Mark Den- sity TABLE 4: 5V POWER CONSUMPTION INCLUDING LINE POWER DISSIPATION, TRANSMISSION AND RECEIVE PATHS ALL ACTIVE (TA = -40° to 85°C, VDD = 5V ± 5% Unless otherwise specified) SYMBO L PARAMETER MIN. TYP. MAX UNIT CONDITIONS PC Power Consumption - 160 210 mW 75 Ω load, operating at 50% Mark Density PC Power Consumption - 145 195 mW 120 Ω load, operating at 50% Mark Density PC Power Consumption - 200 260 mW 75 Ω load, operating at 100% Mark Density PC Power Consumption - 180 240 mW 120 Ω load, operating at 100% Mark Den- sity TABLE 5: AC ELECTRICAL CHARACTERISTICS TA = -40 to +85 °C, VDD = 3.3V± 5% or 5V ± 5% Unless otherwise specified PARAMETER SYMBOL MIN. TYP MAX UNITS Clock Frequency MClk -50 ppm 2.048 +50ppm MHz Clock Duty Cycle MClk 40 50 60 % Clock Period TClk - 244 - ns TClk Duty Cycle TCDU 30 50 70 % Transmit Data Setup Time tTSU 40 - - ns Transmit Data Hold Time tTHO 40 - - ns TClk Rise Time (10% /90%) tr - - 40 ns TClk Fall Time (90% / 10%) tf - - 40 ns RClk Duty Cycle RCDU 45 50 55 % Receive Data Setup Time tRSU 150 244 - ns Receive Data Hold Time tRHO 150 244 - ns RClk to Data Delay tRCD - - 40 ns RClk Rise Time (10%/90%) tr - - 40 ns RClk Fall Time (90%/10%) tf - - 40 ns TABLE 3: 3.3V POWER CONSUMPTION INCLUDING LINE POWER DISSIPATION, TRANSMISSION AND RECEIVE PATHS ALL ACTIVE TA = -40° to 85°C, VDD = 3.3V± 5% Unless otherwise specified SYMBO L PARAMETER MIN.TYP.MAX UNIT CONDITIONS |
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