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GD75323DW Datasheet(PDF) 6 Page - Texas Instruments |
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GD75323DW Datasheet(HTML) 6 Page - Texas Instruments |
6 / 19 page GD75323 MULTIPLE RS-232 DRIVERS AND RECEIVERS SLLS213A – JANUARY 1996 – REVISED JUNE 1999 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 RECEIVER SECTION electrical characteristics over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIT Positive going input threshold voltage See Figure 5 TA = 25°C 1.75 1.9 2.3 VIT+ Positive-going input threshold voltage See Figure 5 TA = 0°C to 70 °C 1.55 2.3 V VIT– Negative-going input threshold voltage See Figure 5 0.75 0.97 1.25 V Vhys Input hysteresis voltage (VIT+ – VIT–) See Figure 5 0.5 VOH High level output voltage IOH =0 5 mA VIH = 0.75 V 2.6 4 5 V VOH High-level output voltage IOH = – 0.5 mA Inputs open 2.6 V VOL Low-level output voltage IOL = 10 mA, VI = 3 V 0.2 0.45 V IIH High level input current VI = 25 V, See Figure 5 3.6 8.3 mA IIH High-level input current VI = 3 V, See Figure 5 0.43 mA IIL Low level input current VI = – 25 V, See Figure 5 – 3.6 – 8.3 mA IIL Low-level input current VI = – 3 V, See Figure 5 – 0.43 mA IOS Short-circuit output current See Figure 4 – 3.4 –12 mA † All typical values are at TA = 25°C, VCC = 5 V, VDD = 9 V, and VSS = –9 V. switching characteristics, VCC = 5 V, VDD = 12 V, VSS = –12 V, TA = 25°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tPLH Propagation delay time, low- to high-level output 107 500 ns tPHL Propagation delay time, high- to low-level output CL = 50 pF, RL = 5 kΩ, 42 150 ns tTLH Transition time, low- to high-level output L See Figure 6 L 175 525 ns tTHL Transition time, high- to low-level output 16 60 ns PARAMETER MEASUREMENT INFORMATION Figure 1. Driver Test Circuit for VOH, VOL, IOS(H), and IOS(L IOS(L) –IOS(H) VSS VDD VCC VI VO VDD or GND VSS or GND RL = 3 kΩ Figure 2. Driver Test Circuit for IIH and IIL –IIL IIH VSS VDD VCC VI VI |
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