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SN55ALS194J Datasheet(PDF) 4 Page - Texas Instruments |
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SN55ALS194J Datasheet(HTML) 4 Page - Texas Instruments |
4 / 22 page SN55ALS194, SN75ALS194 QUADRUPLE DIFFERENTIAL LINE DRIVERS SLLS009D – OCTOBER 1985 – REVISED MAY 1995 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended ranges of supply voltage and operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS† MIN TYP‡ MAX UNIT VIK Input clamp voltage VCC = MIN, II = – 18 mA – 1.5 V VOH High level output voltage VCC = MIN, SN55ALS194 2.4 V VOH High-level output voltage CC , IOH = –20 mA SN75ALS194 2.5 V VOL Low-level output voltage VCC = MIN, IOL = MAX 0.5 V VO Output voltage IO = 0 0 6 V |VOD1| Differential output voltage IO = 0 1.5 6 V |VOD2| Differential output voltage 1/2 VOD1 V |VOD2| Differential output voltage OD1 or 2§ V ∆|VOD| Change in magnitude of differential output voltage¶ RL = 100 Ω, See Figure 1 ± 0.4 V VOC Common-mode output voltage ± 3 V ∆|VOC| Change in magnitude of common-mode output voltage¶ ± 0.4 V IO Output current with power off VCC =0 VO = 6 V 100 µA IO Output current with power off VCC = 0 VO = – 0.25 V – 100 µA I VCC = MAX VO = 2.7 V 100 IOZ High-impedance-state output current VCC = MAX, Output enables at 0.8 V VO = 0.5 V – 100 µA II Input current at maximum input voltage VCC = MAX, VI = 5.5 V 100 µA IIH High-level input current VCC = MAX, VI = 2.7 V 50 µA IIL Low-level input current VCC = MAX, VI = 0.5 V – 200 µA IOS Short-circuit output current# VCC = MAX, VI = 2 V –40 – 140 mA ICC Supply current (all drivers) VCC = MAX, All outputs disabled 26 45 mA † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. ‡ All typical values are at VCC = 5 V, TA = 25°C. § The minimum VOD2 with a 100-Ω load is either 1/2 VOD1 or 2 V, whichever is greater. ¶ ∆ | 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. # Not more than one output should be shorted at a time, and duration of the short circuit should not exceed one second. switching characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST SN55ALS194 SN75ALS194 UNIT PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNIT tPLH Propagation delay time, low- to high-level output C15 F 6 13 6 13 ns tPHL Propagation delay time, high- to low-level output CL = 15 pF, See Figure 2 9 14 9 14 ns Output-to-output skew See Figure 2 3.5 6 3.5 6 ns tt(OD) Differential output transition time CL = 15 pF, See Figure 3 8 14 8 14 ns tPZH Output enable time to high level 9 12 9 12 ns tPZL Output enable time to low level CL = 15 pF, 12 20 12 20 ns tPHZ Output disable time from high level L See Figure 4 9 15 9 14 ns tPLZ Output disable time from low level 12 15 12 15 ns |
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