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SP3282EB 数据表(PDF) 9 Page - Sipex Corporation |
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SP3282EB 数据表(HTML) 9 Page - Sipex Corporation |
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9 / 15 page ![]() 9 Date: 02/24/05 SP3282EB Intelligent +2.35V to +5.5V RS-232 Transceivers © Copyright 2005 Sipex Corporation Figure 12. Charge Pump — Phase 2 Figure 13. Charge Pump — Phase 3 Figure 14. Charge Pump — Phase 4 -5.5V or -4.0V VCC VDD Storage Capacitor VSS Storage Capacitor C1 C2 +- -+ C4 C3 + - + - VCC VDD Storage Capacitor VSS Storage Capacitor C1 C2 +- -+ C4 C3 + - + - -VCC -VCC +VCC +5.5V or +4.0V VCC VDD Storage Capacitor VSS Storage Capacitor C1 C2 +- -+ C4 C3 + - + - Figure 15. Stage I of AUTO ON-LINE® Circuitry RS-232 Receiver Block RXINACT Inactive Detection Block RXIN RXOUT Figure 17. AUTO ON-LINE® Timing Waveforms RECEIVER RS-232 INPUT VOLTAGES STATUS +5V 0V -5V tSTSL tSTSH tONLINE VCC 0V DRIVER RS-232 OUTPUT VOLTAGES 0V +2.7V -2.7V S H U T D O W N |
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