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SN75ALS180DRG4 Datasheet(PDF) 6 Page - Texas Instruments |
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SN75ALS180DRG4 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 21 page SN65ALS180, SN75ALS180 DIFFERENTIAL DRIVER AND RECEIVER PAIRS SLLS052G – AUGUST 1987 – REVISED APRIL 2003 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 SYMBOL EQUIVALENTS DATA-SHEET PARAMETER TIA/EIA-422-B TIA/EIA-485-A VO Voa, Vob Voa, Vob |VOD1| Vo Vo |VOD2| Vt (RL = 100 Ω) Vt (RL = 54 Ω) |VOD3| Vt (test termination measurement 2) Vtest Vtst ∆|VOD| ||Vt| – |Vt|| ||Vt| – |Vt|| VOC |Vos| |Vos| ∆|VOC| |Vos – Vos| |Vos – Vos| IOS |Isa|, |Isb| IO |Ixa|, |Ixb| Iia, Iib RECEIVERS electrical characteristics over recommended ranges of common-mode input voltage, supply voltage, and operating free-air temperature (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIT+ Positive-going input threshold voltage VO = 2.7 V, IO = –0.4 mA 0.2 V VIT– Negative-going input threshold voltage VO = 0.5 V, IO = 8 mA –0.2‡ V Vhys Hysteresis voltage (VIT+ – VIT–) 60 mV VIK Enable-input clamp voltage II = –18 mA –1.5 V VOH High-level output voltage VID = 200 mV, IOH = –400 µA, See Figure 6 2.7 V VOL Low-level output voltage VID = –200 mV, IOL = 8 mA, See Figure 6 0.45 V IOZ High-impedance-state output current VO = 0.4 V to 2.4 V ±20 µA II Line input current Other input = 0 V VI = 12 V 1 mA II Line input current (see Note 6) VI = –7 V –0.8 mA IIH High-level enable-input current VIH = 2.7 V 20 µA IIL Low-level enable-input current VIL = 0.4 V –100 µA ri Input resistance 12 k Ω IOS Short-circuit output current VID = 200 mV, VO = 0 –15 –85 mA ICC Supply current No load Receiver outputs enabled, Driver inputs disabled 19 30 mA CC y Outputs disabled 19 26 † All typical values are at VCC = 5 V, TA = 25°C. ‡ The algebraic convention, in which the less positive (more negative) limit is designated minimum, is used in this data sheet for common-mode input voltage and threshold voltage levels only. NOTE 6: This applies for both power on and power off. Refer to TIA/EIA-485-A for exact conditions. |
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