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MAX232EINE4 Scheda tecnica(PDF) 5 Page - Texas Instruments |
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MAX232EINE4 Scheda tecnica(HTML) 5 Page - Texas Instruments |
5 / 16 page MAX232E www.ti.com SLLS723B – APRIL 2006 – REVISED NOVEMBER 2009 RECEIVER SECTION abc Electrical Characteristics (1) over recommended ranges of supply voltage and operating free-air temperature range PARAMETER TEST CONDITIONS MIN TYP(2) MAX UNIT VOH High-level output voltage ROUT IOH = –1 mA 3.5 V VOL Low-level output voltage(3) ROUT IOL = 3.2 mA 0.4 V VIT+ Receiver positive-going input threshold voltage RIN VCC = 5 V, TA = 25°C 1.7 2.4 V VIT– Receiver negative-going input threshold voltage RIN VCC = 5 V, TA = 25°C 0.8 1.2 V Vhys Input hysteresis voltage RIN VCC = 5 V 0.2 0.5 1 V ri Receiver input resistance RIN VCC = 5 V, TA = 25°C 3 5 7 k Ω (1) Test conditions are C1–C4 = 1 μF at VCC = 5 V ± 0.5 V. (2) All typical values are at VCC = 5 V and TA = 25°C. (3) The algebraic convention, in which the least-positive (most negative) value is designated minimum, is used in this data sheet for logic voltage levels only. Switching Characteristics (1) VCC = 5 V, TA = 25°C (see Figure 1) PARAMETER TYP UNIT tPLH(R) Receiver propagation delay time, low- to high-level output 500 ns tPHL(R) Receiver propagation delay time, high- to low-level output 500 ns (1) Test conditions are C1–C4 = 1 μF at VCC = 5 V ± 0.5 V. Copyright © 2006–2009, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): MAX232E |
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