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SN75C189D Datasheet(PDF) 3 Page - Texas Instruments |
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SN75C189D Datasheet(HTML) 3 Page - Texas Instruments |
3 / 20 page SN75C189, SN75C189A QUADRUPLE LOW-POWER LINE RECEIVERS SLLS041G – OCTOBER 1988 – REVISED JANUARY 2000 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions MIN NOM MAX UNIT VCC Supply voltage 4.5 5 6 V VI Input voltage (see Note 3) –25 25 V IOH High-level output current –3.2 mA IOL Low-level output current 3.2 mA Response-control current ±1 mA TA Operating free-air temperature 0 70 °C NOTE 3: The algebraic convention, where the more positive (less negative) limit is designated as maximum, is used in this data sheet for logic levels only, e.g., if –10 V is a maximum, the typical value is a more negative voltage. electrical characteristics over recommended free-air temperature range, VCC = 5 V ±10% (unless otherwise noted) (see Note 4) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIT Positive going input threshold voltage ’C189 See Figure 1 1 1.5 V VIT+ Positive-going input threshold voltage ’C189A See Figure 1 1.6 2.25 V VIT Negative going input threshold voltage ’C189 See Figure 1 0.75 1.25 V VIT– Negative-going input threshold voltage ’C189A See Figure 1 0.75 1 1.25 V Vh Input hysteresis voltage (VIT VIT ) ’C189 See Figure 1 0.15 0.33 V Vhys Input hysteresis voltage (VIT+ – VIT–) ’C189A See Figure 1 0.65 0.97 V VCC = 4.5 V to 6 V, VI = 0.75 V, 35 VOH High level output voltage CC , IOH = –20 µA I , 3.5 V VOH High-level output voltage VCC = 4.5 V to 6 V, IOH = –3.2 mA VI = 0.75 V, 2.5 V VOL Low level output voltage VCC = 4.5 V to 6 V, VI = 3 V, 04 V VOL Low-level output voltage CC , IOL = 3.2 mA I , 0.4 V IIH High level input current See Figure 2 VI = 25 V 3.6 8.3 mA IIH High-level input current See Figure 2 VI = 3 V 0.43 1 mA IIL Low level input current See Figure 2 VI = –25 V –3.6 –8.3 mA IIL Low-level input current See Figure 2 VI = –3 V –0.43 –1 mA IOS Short-circuit output current See Figure 3 –35 mA ICC Supply current VI = 5 V, See Figure 2 No load, 420 700 µA † All typical values are at TA = 25°C. NOTE 4: All characteristics are measured with response-control terminal open. switching characteristics, VCC = 5 V ±10%, TA = 25°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tPLH Propagation delay time, low- to high-level output 6 µs tPHL Propagation delay time, high- to low-level output 6 µs tTLH Transition time, low- to high-level output‡ RL = 5 kΩ, CL = 50 pF, See Figure 4 500 ns tTHL Transition time, high- to low-level output‡ 300 ns tw(N) Duration of longest pulse rejected as noise§ 1 6 µs ‡ Measured between 10% and 90% points of output waveform § The receiver ignores any positive- or negative-going pulse that is less than the minimum value of tw(N) and accepts any postive- or negative-going pulse greater than the maximum of tw(N). |
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