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SN65LBC180RSA Datasheet(PDF) 4 Page - Texas Instruments |
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SN65LBC180RSA Datasheet(HTML) 4 Page - Texas Instruments |
4 / 24 page DRIVER SECTION ELECTRICAL CHARACTERISTICS SWITCHING CHARACTERISTICS SWITCHING CHARACTERISTICS (SN55LBC180) SN55LBC180 SN65LBC180 SN75LBC180 SLLS174G – FEBRUARY 1994 – REVISED APRIL 2009................................................................................................................................................... www.ti.com over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT VIK Input clamp voltage II = -18 mA –1.5 V SN55LBC180 1 2.5 5 RL = 54 Ω, SN65LBC180 1.1 2.5 5 See Figure 1 SN75LBC180 1.5 2.5 5 | VOD | Differential output voltage magnitude(2) V SN55LBC180 1 2.5 5 RL = 60 Ω, SN65LBC180 1.1 2 5 See Figure 2 SN75LBC180 1.5 2 5 Δ| VOD | Change in magnitude of differential output voltage (3) See Figure 1 and Figure 2 ±0.2 V VOC Common-mode output voltage 1 2.5 3 V RL = 54 Ω, See Figure 1 Change in magnitude of common-mode output Δ| VOC | ±0.2 V voltage(3) IO 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 VI = 2.4 V 100 µA IIL Low-level input current VI = 0.4 V 100 µA IOS Short-circuit output current –7 V ≤ VO ≤ 12 V ±250 mA Outputs enabled 5 ICC Supply current Receiver disabled mA Outputs disabled 3 (1) All typical values are at VCC = 5 V and TA = 25°C. (2) The minimum VOD specification may not fully comply with ANSI RS-485 at operating temperatures below 0°C. System designers should take the possibly lower output signal into account in determining the maximum signal-transmission distance. (3) Δ|VOD| and Δ|VOC| are the changes in the steady-state magnitude of VOD and VOC, respectively, that occur when the input is changed from a high level to a low level. VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT td(OD) Differential output delay time 7 12 18 ns RL = 54 Ω, See Figure 3 tt(OD) Differential output transition time 5 10 20 ns tPZH Output enable time to high level RL = 110 Ω, See Figure 4 35 ns tPZL Output enable time to low level RL = 110 Ω, See Figure 5 35 ns tPHZ Output disable time from high level RL = 110 Ω, See Figure 4 50 ns tPLZ Output disable time from low level RL = 110 Ω, See Figure 5 35 ns VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT td(OD) Differential output delay time 15 ns RL = 54 Ω, See Figure 3 tt(OD) Differential output transition time 21 ns tPZH Output enable time to high level 32 RL = 110 Ω, See Figure 4 ns tPHZ Output disable time from high level 55 tPZL Output enable time to low level 32 RL = 110 Ω, See Figure 5 ns tPLZ Output disable time from low level 20 4 Submit Documentation Feedback Copyright © 1994–2009, Texas Instruments Incorporated Product Folder Link(s): SN55LBC180 SN65LBC180 SN75LBC180 |
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