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SN75ALS180DG4 Datasheet(PDF) 5 Page - Texas Instruments |
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SN75ALS180DG4 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 21 page SN65ALS180, SN75ALS180 DIFFERENTIAL DRIVER AND RECEIVER PAIRS SLLS052G – AUGUST 1987 – REVISED APRIL 2003 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 DRIVERS 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 II = –18 mA –1.5 V VO Output voltage IO = 0 0 6 V |VOD1| Differential output voltage IO = 0 1.5 6 V |VOD2| Differential output voltage 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 Vtest = –7 V to 12 V, See Figure 2 1.5 5 V ∆|VOD| Change in magnitude of differential output voltage¶ 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 3 –1 V ∆|VOC| Change in magnitude of common-mode output voltage¶ RL = 54 Ω or 100 Ω, See Figure 1 ±0.2 V IO Output current Output disabled VO = 12 V 1 mA IO Output current (see Note 5) VO = –7 V –0.8 mA IIH High-level input current VI = 2.4 V 20 µA IIL Low-level input current VI = 0.4 V –400 µA # VO = –6 V SN75ALS180 –250 # VO = –4 V SN65ALS180 –250 IOS Short-circuit output current# VO = 0 All –150 mA VO = VCC All 250 VO = 8 V All 250 ICC Supply current No load Driver outputs enabled, Receiver disabled 25 30 mA CC y Outputs disabled 19 26 † The power-off measurement in TIA/EIA-422-B applies to disabled outputs only and is not applied to combined inputs and outputs. ‡ All typical values are at VCC = 5 V, TA = 25°C. § The minimum VOD2 with 100-Ω load is either 1/2 VOD2 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. # Duration of the short circuit should not exceed one second for this test. NOTE 5: This applies for both power on and off; refer to TIA/EIA-485-A for exact conditions. The TIA/EIA-422-B limit does not apply for a combined driver and receiver terminal. switching characteristics over recommended ranges of supply voltage and operating free-air temperature PARAMETER TEST CONDITIONS MIN TYP‡ MAX UNIT td(OD) Differential output delay time RL = 54 Ω, CL = 50 pF, See Figure 3 3 8 13 ns Pulse skew ( td(ODH) – td(ODL)) RL = 54 Ω, CL = 50 pF, See Figure 3 1 6 ns tt(OD) Differential output transition time RL = 54 Ω, CL = 50 pF, See Figure 3 3 8 13 ns tPZH Output enable time to high level RL = 110 Ω, See Figure 4 23 50 ns tPZL Output enable time to low level RL = 110 Ω, See Figure 5 19 24 ns tPHZ Output disable time from high level RL = 110 Ω, See Figure 4 8 13 ns tPLZ Output disable time from low level RL = 110 Ω, See Figure 5 8 13 ns ‡ All typical values are at VCC = 5 V and TA = 25°C. |
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