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SN75185DWRG4 Datasheet(PDF) 7 Page - Texas Instruments |
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SN75185DWRG4 Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 21 page  www.ti.com RECEIVER SECTION Switching Characteristics SN75185 MULTIPLE RS-232 DRIVERS AND RECEIVERS SLLS181D–DECEMBER 1994–REVISED JANUARY 2006 abc Electrical Characteristics over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT TA =25°C 1.75 1.9 2.3 VT+ Positive-going threshold voltage See Figure 5 V TA =0°Cto70°C 1.55 2.3 VT– Negative-going threshold voltage 0.75 0.97 1.25 V Vhys Input hysteresis (VT+ –VT–) 0.5 V VIH =0.75V 2.6 4 5 VOH High-level output voltage IOH = –0.5 mA V Inputs open 2.6 VOL Low-level input voltage IOL = 10 mA, VI = 3 V 0.2 0.45 V VI = 25 V, See Figure 5 3.6 8.3 IIH High-level input current mA VI = 3 V, See Figure 5 0.43 VI = –25 V, See Figure 5 –3.6 –8.3 IIL Low-level output current mA VI = –3 V, See Figure 5 –0.43 IOS Short-circuit output current See Figure 4 –3.4 –12 mA (1) All typical values are at TA =25°C, VCC = 5 V, VDD = 9 V, and VSS =–9V. VCC = 5 V, VDD =12V,VSS = -12 V, TA =25°C (see Figure 6) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tPLH Propagation delay time, low- to high-level output CL =50pF, RL =5kΩ 107 500 ns tPHL Propagation delay time, high- to low-level output CL =50pF, RL =5kΩ 42 150 ns tTLH Transition time, low- to high-level output CL =50pF, RL =5kΩ 175 525 ns tTHL Transition time, high- to low-level output CL =50pF, RL =5kΩ 16 60 ns 7 |
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