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MAX3243IPW Datasheet(PDF) 6 Page - Texas Instruments |
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MAX3243IPW Datasheet(HTML) 6 Page - Texas Instruments |
6 / 11 page MAX3243 3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER SLLS350B – APRIL 1999 – REVISED JANUARY 2000 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 RECEIVER SECTION electrical characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Note 3 and Figure 6) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VOH High-level output voltage IOH = –1 mA VCC – 0.6 V VCC – 0.1 V V VOL Low-level output voltage IOL = 1.6 mA 0.4 V VIT Positive going input threshold voltage VCC = 3.3 V 1.6 2.4 V VIT+ Positive-going input threshold voltage VCC = 5 V 1.9 2.4 V VIT Negative going input threshold voltage VCC = 3.3 V 0.6 1.1 V VIT– Negative-going input threshold voltage VCC = 5 V 0.8 1.4 V Vhys Input hysteresis (VIT+ – VIT–) 0.5 V Ioff Output leakage current (except ROUT2B) FORCEOFF = 0 V ±0.05 ±10 µA ri Input resistance VI = ±3 V to ±25 V 3 5 7 k Ω † All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C. NOTE 3. Test conditions are C1–C4 = 0.1 µF at VCC = 3.3 V ± 0.3 V; C1 = 0.047 µF, C2–C4 = 0.33 µF at VCC = 5 V ± 0.5 V. switching characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Note 3) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT tPLH Propagation delay time, low- to high-level output CL = 150 pF See Figure 3 150 ns tPHL Propagation delay time, high- to low-level output CL = 150 pF, See Figure 3 150 ns ten Output enable time CL = 150 pFRL =3kΩ See Figure 4 200 ns tdis Output disable time CL = 150 pF, RL = 3 kΩ, See Figure 4 200 ns tsk(p) Pulse skew‡ See Figure 3 50 ns † All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C. ‡ Pulse skew is defined as |tPLH – tPHL| of each channel of the same device. NOTE 3. Test conditions are C1–C4 = 0.1 µF at VCC = 3.3 V ± 0.3 V; C1 = 0.047 µF, C2–C4 = 0.33 µF at VCC = 5 V ± 0.5 V. |
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