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SP319 Folha de dados(PDF) 3 Page - Sipex Corporation |
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SP319 Folha de dados(HTML) 3 Page - Sipex Corporation |
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3 / 14 page ![]() 3 SP319DS/08 SP319 20Mbps, +5V-Only V.35 Interface with RS-232 (V.28) Control Lines © Copyright 2000 Sipex Corporation SPECIFICATIONS (CONTINUED) T AMB = TMIN to TMAX and VCC = 5V±5% unless otherwise noted. PARAMETER MIN. TYP. MAX. UNITS CONDITIONS RS-232 DRIVER TTL Input Levels V IL 0.8 Volts V IH 2.0 Volts Voltage Outputs High Level Output +5.0 +15.0 Volts R L= 3kΩ to Gnd; Figure 13 Low Level Output -15.0 -5.0 Volts R L= 3kΩ to Gnd; Figure 13 Open Circuit Output -15 +15 Volts R L= ∞; Figure 12 Short Circuit Current -100 +100 mA R L= Gnd; Figure 15 Power Off Impedance 300 Ohms V CC= 0V; VOUT= +2V; Figure 16 AC Characteristics Slew Rate 30 V/ µs Figure 14 Maximum Transmission Rate 120 kbps R L= 3kΩ, CL= 2500pF Transition Time 1.56 µs Rise/fall time, between +3V R L= 3kΩ, CL= 2500pF; Figure 17 Propagation Delay t PHL 28 µsR L= 3kΩ, CL= 2500pF; From 1.5V of T IN to 50% of VOUT t PLH 28 µsR L= 3kΩ, CL= 2500pF; From 1.5V of T IN to 50% of VOUT RS-232 RECEIVER TTL Output Levels V OL 0.4 Volts I OUT = -3.2mA V OH 2.4 Volts I OUT = 1.0mA Receiver Input Input Voltage Range -15 +15 Volts High Threshold 1.7 3.0 Volts Low Threshold 0.8 1.2 Volts Hysteresis 0.2 0.5 1 Volts V CC= 5V; TA= +25˚C Receiver Input Circuit Bias +2.0 Volts Figure 19 Input Impedance 3 5 7 k Ω V IN= +15V; Figure 18 AC Characteristics Maximum Transmission Rate 120 kbps Propagation Delay t PHL 0.1 1 µs From 50% of R IN to 1.5V of ROUT t PLH 0.1 1 µs From 50% of R IN to 1.5V of ROUT POWER REQUIREMENTS No Load V CC Supply Current 40 70 mA No load; V CC= 5.0V; TA= 25˚C Full Load V CC Supply Current 60 80 mA RS-232 drivers R L= 3kΩ to Gnd; DC Input V.35 drivers R L= 100Ω from A to B; DC Input Shutdown Current 1.5 10 mA TS000 = ENV35 = 0V |
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