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SN75ALS1178NSRG4 Datasheet(PDF) 6 Page - Texas Instruments |
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SN75ALS1178NSRG4 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 16 page SN75ALS1177, SN75ALS1178 DUAL DIFFERENTIAL DRIVERS AND RECEIVERS SLLS154B – MARCH 1993 – REVISED FEBRUARY 2001 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 DRIVER SECTION electrical characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIK Input clamp voltage II = –18 mA –1.5 V VOH High-level output voltage VIH = 2 V, VIL = 0.8 V, IOH = –33 mA 3.3 V VOL Low-level output voltage VIH = 2 V, VIL = 0.8 V, IOL = 33 mA 1.1 V |VOD1| Differential output voltage IO = 0 1.5 6 V |VOD2| Differential output voltage VCC = 5 V, RL = 100 Ω, See Figure 1 1/2 VOD1 or 2‡ V OD2 g RL = 54 Ω, See Figure 1 1.5 2.5 5 |VOD3| Differential output voltage See Note 4 1.5 5 V ∆|VOD| Change in magnitude of differential output voltage (see Note 5) RL = 54 Ω or 100 Ω, See Figure 1 ±0.2 V VOC Common-mode output voltage RL = 54 Ω or 100 Ω, See Figure 1 –1§ 3 V ∆|VOC| Change in magnitude of common-mode output voltage (see Note 5) RL = 54 Ω or 100 Ω, See Figure 1 ±0.2 V IO(OFF) Output current with power off VCC = 0, VO = –7 V to 12 V ±100 µA IOZ High-impedance-state output current VO = –7 V to 12 V ±100 µA IIH High-level input current VIH = 2.7 V 100 µA IIL Low-level input current VIL = 0.4 V –100 µA VO = –7 V –250 IOS Short circuit output current VO = VCC 250 mA IOS Short-circuit output current VO = 12 V 250 mA VO = 0 V 150 ICC Supply current (total package) No load Outputs enabled 35 50 mA ICC Supply current (total package) No load Outputs disabled 20 50 mA † All typical values are at VCC = 5 V and TA = 25°C. ‡ The minimum VOD2 with a 100-Ω load is either 1/2 VOD1 or 2 V, whichever is greater. § The algebraic convention, where the less positive (more negative) limit is designated as minimum, is used in this data sheet for common-mode output and threshold voltage levels only. NOTES: 4. See TIA/EIA-485-A Figure 3.5, test termination measurement 2. 5. ∆|VOD| and ∆|VOC| are the changes in magnitude of VOD and VOC, respectively, that occur when the input is changed from a high level to a low level. switching characteristics at VCC = 5 V, TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tPLH Propagation delay time, high- to low-level output RL = 60 Ω, CL1 = CL2 = 100 pF, See Figure 3 9 15 22 ns tPHL Propagation delay time, low- to high-level output RL = 60 Ω, CL1 = CL2 = 100 pF, See Figure 3 9 15 22 ns tsk Output-to-output skew RL = 60 Ω, CL1 = CL2 = 100 pF, See Figure 3 0 2 8 ns tPZH Output enable time to high level CL = 100 pF, See Figure 4 30 35 50 ns tPZL Output enable time to low level CL = 100 pF, See Figure 5 5 15 25 ns tPHZ Output disable time from high level CL = 15 pF, See Figure 4 7 15 30 ns tPLZ Output disable time from low level CL = 15 pF, See Figure 5 7 15 30 ns |
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