SN75ALS191D

SN75ALS191 DUAL DIFFERENTIAL LINE DRIVER SLLS032B − DECEMBER 1987 − REVISED MAY 1995 D Meets or Exceeds the Requirements of D D D D D D OR P PACKAGE (TOP VIEW) ANSI Standard EIA/TIA-422-B and ITU Recommendation V.11 Designed to Operate at 20 Mbaud or Higher TTL-and CMOS-Input Compatibility Single 5-V Supply Operation Output Short-Circuit Protection Improved Replacement for the μA9638 VCC 1A 2A GND 1 8 2 7 3 6 4 5 1Y 1Z 2Y 2Z description The SN75ALS191 is a dual, high-speed, differential line driver designed to meet ANSI Standard EIA/TIA-422-B and ITU Recommendation V.11. The inputs are TTL- and CMOS-compatible and have input clamp diodes. Schottky-diode-clamped transistors minimize propagation delay time. This device operates from a single 5-V power supply and is supplied in eight-pin packages. The SN75ALS191 is characterized for operation from 0°C to 70°C. FUNCTION TABLE (each driver) OUTPUTS INPUTS A Y Z H H L L L H H = high level, L = low level, Z = high impedance logic symbol† 1A 2A † 2 3 logic diagram (positive logic) 8 8 1Y 7 1Z 6 2Y 5 2Z 2 1A 7 6 3 2A 5 1Y 1Z 2Y 2Z This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Copyright © 1995, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1 SN75ALS191 DUAL DIFFERENTIAL LINE DRIVER SLLS032B − DECEMBER 1987 − REVISED MAY 1995 schematics of inputs and outputs EQUIVALENT OF EACH INPUT TYPICAL OF ALL OUTPUTS VCC VCC 40 kΩ NOM Input 10 Ω Output GND absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Input voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Continuous total dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table Operating free-air temperature range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . − 65°C to 150°C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. All voltage values except differential output voltage (VOD) are with respect to network ground terminal. DISSIPATION RATING TABLE PACKAGE TA ≤ 25°C POWER RATING DERATING FACTOR ABOVE TA = 25°C TA = 70°C POWER RATING D 725 mW 5.8 mW/°C 464 mW P 1000 mW 8.0 mW/°C 640 mW recommended operating conditions Supply voltage, VCC High-level input voltage, VIH MIN NOM MAX UNIT 4.75 5 5.25 V 2 Low-level input voltage, VIL High-level output current, IOH Low-level output current, IOL Operating free-air temperature, TA 2 0 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 V 0.8 V − 50 mA 50 mA 70 °C SN75ALS191 DUAL DIFFERENTIAL LINE DRIVER SLLS032B − DECEMBER 1987 − REVISED MAY 1995 electrical characteristics over operating free-air temperature range (unless otherwise noted) PARAMETER VIK MIN TYP† MAX UNIT −1 −1.2 V IOH = − 10 mA 2.5 3.3 IOH = − 40 mA 2 TEST CONDITIONS Input clamp voltage VCC = 4.75 V, II = −18 mA VOH Hi h l l output t t voltage lt High-level VCC = 4.75 V, VIL = 0.8 V VIH = 2 V, VOL Low-level output voltage VCC = 4.75 V, IOL = 40 mA VIH = 2 V, |VOD1| Differential output voltage VCC = 5.25 V, IO = 0 |VOD2| Differential output voltage Δ |VOD| Change in magnitude of differential output voltage ‡ VOC Common-mode output voltage§ Δ |VOC| Change in magnitude of common-mode output voltage ‡ VIL = 0.8 V, Output current with power off 0.5 V 2 VOD2 V 2 V RL = 100 Ω, VCC = 4.75 V to 5.25 V, See Figure 1 VO = 6 V IO V VO = − 0.25 V VCC = 0 V 100 −0.1 −100 μA ± 100 25 μA VI = 0.5 V 200 μA −150 mA 40 mA VI = 5.5 V IIH High-level input current VCC = 5.25 V, IIL Low-level input current VCC = 5.25 V, VCC = 5.25 V, VO = 0 VCC = 5.25 V, No load, Supply current (all drivers) ± 0.4 VI = 2.7 V VCC = 5.25 V, Short-circuit output V μA Input current ICC 3 50 II IOS V 0.1 VO = − 0.25 V to 6 V current¶ ± 0.4 −50 All inputs at 0 V 32 † All typical values are at VCC = 5 V and TA = 25°C. ‡|V OD | 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. § In ANSI Standard EIA/TIA-422-B, V , which is the average of the two output voltages with respect to ground, is called output offset voltage, OC VOS. ¶ Only one output at a time should be shorted, and duration of the short circuit should not exceed one second. switching characteristics over recommended operating free-air temperature range, VCC = 5 V PARAMETER td(OD) Differential-output delay time tt(OD) Differential-output transition time TEST CONDITIONS CL = 15 pF, p , RL = 100 Ω,, See Figure g 2 Skew MIN TYP# MAX 3.5 7 ns 3.5 7 ns 1.5 4 ns UNIT # Typical values are at TA = 25°C. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 3 SN75ALS191 DUAL DIFFERENTIAL LINE DRIVER SLLS032B − DECEMBER 1987 − REVISED MAY 1995 PARAMETER MEASUREMENT INFORMATION 50 Ω Input VOD2 50 Ω VOC Figure 1. Differential and Common-Mode Output Voltages 3V Input 1.5 V 1.5 V Y Output 0V td(OD) td(OD) CL RL = 100 Ω Generator (see Note A) 50 Ω 90% Differential Output 10% 10% tt(OD) Z Output CL CL = 15 pF (see Note B) 90% tt(OD) VOH Y Output 50% Skew 50% VOL Skew VOH Z Output TEST CIRCUIT 50% 50% VOLTAGE WAVEFORMS NOTES: A. The input pulse generator has the following characteristics: ZO = 50 Ω, PRR ≤ 500 kHz, tw = 100 ns, tr = ≤ 5 ns. B. CL includes probe and jig capacitance. Figure 2. Test Circuit and Voltage Waveforms 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 VOL PACKAGE OPTION ADDENDUM www.ti.com 13-Jul-2022 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan (2) Lead finish/ Ball material MSL Peak Temp Op Temp (°C) Device Marking (3) Samples (4/5) (6) SN75ALS191D ACTIVE SOIC D 8 75 RoHS & Green NIPDAU Level-1-260C-UNLIM 0 to 70 75A191 Samples SN75ALS191DG4 ACTIVE SOIC D 8 75 RoHS & Green NIPDAU Level-1-260C-UNLIM 0 to 70 75A191 Samples SN75ALS191DR ACTIVE SOIC D 8 2500 RoHS & Green NIPDAU Level-1-260C-UNLIM 0 to 70 75A191 Samples SN75ALS191P ACTIVE PDIP P 8 50 RoHS & Green NIPDAU N / A for Pkg Type 0 to 70 75ALS191 Samples SN75ALS191PE4 ACTIVE PDIP P 8 50 RoHS & Green NIPDAU N / A for Pkg Type 0 to 70 75ALS191 Samples SN75ALS191PSR ACTIVE SO PS 8 2000 RoHS & Green NIPDAU Level-1-260C-UNLIM 0 to 70 V191 Samples (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may reference these types of products as "Pb-Free". RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption. Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of