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SP503CF 数据表(PDF) 4 Page - Sipex Corporation |
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SP503CF 数据表(HTML) 4 Page - Sipex Corporation |
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4 / 29 page ![]() Date: 7/29/04 SP503 Multiprotocol Transceiver © Copyright 2004 Sipex Corporation 4 ELECTRICAL CHARACTERISTICS T MIN to TMAX @ Vcc = +5V ±5% unless otherwise noted. MIN. TYP. MAX. UNITS CONDITIONS Slew Rate 30 V/µsR L=3kΩ, CL=15pF Transition Time 1.56 µsR L=3kΩ, CL=2500pF Maximum Transmission Rate 120 kbps R L=3kΩ, CL=2500pF Propagation Delay t PHL 28 µsR L=3kΩ t PLH 28 µsR L=3kΩ RS-232 RECEIVER TTL Output Levels V OL 0.4 Volts V OH 2.4 Volts Input HIGH Threshold 1.7 2.4 Volts LOW Threshold 0.8 1.2 Volts Receiver Open Circuit Bias +2.0 Volts Input Impedance 3 5 7 kΩ V IN=+15V to -15V Maximum Transmission Rate 120 kbps Propagation Delay t PHL 1 µs t PLH 1 µs RS-423 DRIVER TTL Input Levels V IL 0.8 Volts V IH 2.0 Volts Output Open Circuit Voltage ±4.0 ±10.0 Volts HIGH Level Output +3.6 +6.0 Volts R L=550Ω LOW Level Output –6.0 –3.6 Volts R L=550Ω Short Circuit Current ±150 mA V OUT=0V Power Off Current ±100 µAV cc = 0V, Vout = ±0.25V Transition Time 0.8 2.4 µs Rise/fall time, 10-90% Maximum Transmission Rate 120 kbps R L=550Ω Propagation Delay t PHL 28 µsR L=550Ω t PLH 28 µsR L=550Ω RS-423 RECEIVER TTL Output Levels V OL 0.4 Volts V OH 2.4 Volts Input HIGH Threshold +0.2 +7.0 Volts LOW Threshold –7.0 –0.2 Volts HIGH Input Current Refer to graph LOW Input Current Refer to graph Receiver Sensitivity ±0.2 Volts V CM = +7V to -7V Input Impedance 4 kΩ V IN = +10V to -10V Maximum Transmission Rate 120 kbps Propagation Delay t PHL 1 µs t PLH 1 µs POWER REQUIREMENTS V CC 4.75 5.25 Volts I CC 20 30 mA V CC =5V; no interface selected ENVIRONMENTAL AND MECHANICAL Operating Temperature Range 0 +70 °C Storage Temperature Range –65 +150 °C Package 80–pin QFP |
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