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SN75LBC784 Fiches technique(PDF) 3 Page - Texas Instruments |
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SN75LBC784 Fiches technique(HTML) 3 Page - Texas Instruments |
3 / 7 page SN75LBC784 QUADRUPLE RS-423-B DRIVER/RECEIVER SLLS187A – NOVEMBER 1994 – REVISED AUGUST 1995 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 DRIVER SECTION electrical characteristics over recommended ranges of supply voltage and operating free-air temperature, VDD = 10.8 V to 13.2 V, VSS = –10.8 V to –13.2 V, TA = 0°C to 70°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOH High-level output voltage Open circuit or RL = 450 Ω 4 5.5 6 V VOL Low-level output voltage Open circuit or RL = 450 Ω –6 – 5.5 –4 V IIH High-level input current VI = 2.4 V to 5.5 V 100 µA IIL Low-level input current VI = 0 V to 0.8 V – 100 µA IO Output leakage current VDD = VSS = 0, VO = ± 6 V – 100 100 µA IOS(H) High-level short circuit output current VI = 5 V, VO = 0 15 45 mA IOS(L) Low-level short circuit output current VI = 0, VO = 0 –45 –15 mA IDD Supply current No load 10 12 mA IDD Supply current RL = 450 Ω 60 70 mA ISS Supply current No load –10 –12 mA ISS Supply current RL = 450 Ω –60 –70 mA Ibias Bias current 400 µA switching characteristics over recommended ranges of supply voltage and operating free-air temperature, VDD = 10.8 V to 13.2 V, VSS = –10.8 V to –13.2 V, TA = 0°C to 70°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Rws = 0 kΩ 1.5 Rws = 20 kΩ 1.5 2.1 2.7 µs tTLH Transition time, low-to-high level (see Figure 1) Rws = 82 kΩ 5 8 11 µs Rws = 820 kΩ 80 RL = 450 Ω, CL = 50 pF, Rws = 0 kΩ 1.5 L VWS = 5 V L Rws = 20 kΩ 1.5 2.1 2.7 µs tTHL Transition time, high-to-low level (see Figure 1) Rws = 82 kΩ 5 8 11 µs Rws = 820 kΩ 80 SR Output slew rate Rws = 20 k Ω 15 V/ µs tsk Output skew (see Figure 4) |tPHL – tPLH| Rws = 82 kΩ 1 µs |
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