SN75ALS174A QUADRUPLE DIFFERENTIAL LINE DRIVER SLLS122E - JULY 1991 - REVISED APRIL 1998 D D D D D D D D D D N PACKAGE (TOP VIEW) Meets or Exceeds the Requirements of ANSI EIA/TIA-422-B and RS-485 High-Speed Advanced Low-Power Schottky Circuitry Designed for up to 20-Mbit/s Operation in Both Serial and Parallel Applications Designed for Multipoint Transmission on Long Bus Lines in Noisy Environments Low Supply Current Requirements 55 mA Max Wide Positive and Negative Input/Output Bus Voltage Ranges Driver Output Capacity . . . 60 mA Thermal-Shutdown Protection Driver Positive- and Negative-Current Limiting Functionally Interchangeable With SN75174 1A 1Y 1Z 1,2EN 2Z 2Y 2A GND 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 VCC 4A 4Y 4Z 3,4EN 3Z 3Y 3A DW PACKAGE (TOP VIEW) 1A 1Y NC 1Z 1,2EN 2Z NC 2Y 2A GND description The SN75ALS174A is a quadruple line driver with 3-state differential outputs. It is designed to meet the requirements of ANSI Standards EIA/TIA-422-B and RS-485. This device is optimized for balanced multipoint bus transmission at rates of up to 20 Mbit/s. Each driver features wide positive and negative common-mode output voltage ranges that make them suitable for party-line applications in noisy environments. 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 4A 4Y NC 4Z 3,4EN 3Z NC 3Y 3A NC - No internal connection The SN75ALS174A provides positive- and negative-current limiting and thermal shutdown for protection from line fault conditions on the transmission bus line. Shutdown occurs at a junction temperature of approximately 150C. The SN75ALS174A is characterized for operation from 0C to 70C. FUNCTION TABLE (each driver) INPUT A ENABLES H H L X OUTPUTS Y Z H L H L H L Z Z H = high level, L = low level, X = irrelevant, Z = high impedance (off) 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 1998, 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 SN75ALS174A QUADRUPLE DIFFERENTIAL LINE DRIVER SLLS122E - JULY 1991 - REVISED APRIL 1998 logic symbol 1,2EN 4 EN 2 1A 1 3 6 2A 3,4EN 7 5 12 9 11 14 4A 15 13 This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. Pin numbers shown are for the N package. logic diagram (positive logic) 1,2EN 4 2 1A 2A 3,4EN 1 7 3 6 5 3A 4A 1Y 1Z 2Y 2Z 12 10 9 15 11 14 13 Pin numbers shown are for the N package. 2 1Z 2Y 2Z EN 10 3A 1Y POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 3Y 3Z 4Y 4Z 3Y 3Z 4Y 4Z SN75ALS174A QUADRUPLE DIFFERENTIAL LINE DRIVER SLLS122E - JULY 1991 - REVISED APRIL 1998 schematics of inputs and outputs EQUIVALENT OF EACH INPUT TYPICAL OF ALL OUTPUTS VCC VCC 35 k NOM Input 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 Output voltage range, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -9 V to 14 V Continuous total dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65C to 150C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260C 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. NOTE 1: All voltage values are with respect to network GND. DISSIPATION RATING TABLE PACKAGE TA 25C POWER RATING DERATING FACTOR TA = 70C POWER RATING TA = 85C POWER RATING DW 1125 mW 9.0 mW/C 720 mW 585 mW N 1150 mW 9.2 mW/C 736 mW 598 mW recommended operating conditions Supply voltage, VCC High-level input voltage, VIH MIN NOM MAX UNIT 4.75 5 5.25 V 2 V Low-level input voltage, VIL 0.8 V Common-mode output voltage, VOC 12 -7 V -60 mA 60 mA 70 C High-level output current, IOH Low-level output current, IOL Operating free-air temperature, TA 0 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 3 SN75ALS174A QUADRUPLE DIFFERENTIAL LINE DRIVER SLLS122E - JULY 1991 - REVISED APRIL 1998 electrical characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER TEST CONDITIONS VIK VO Input clamp voltage Output voltage II = -18 mA IO = 0 |VOD1| Differential output voltage IO = 0 |VOD2| RL = 100 Differential output voltage g MIN See Figure g 1 MAX UNIT -1.5 V 0 6 V 1.5 6 V 1/2VOD1 or 2 RL = 54 1.5 1.5 |VOD3| Differential output voltage See Note 2 |VOD| Change in magnitude of differential output voltage RL = 54 or 100 , VOC Common-mode output voltage |VOC| TYP V 2.5 5 5 V See Figure 1 0.2 V RL = 54 or 100 , See Figure 1 3 -1 V Change in magnitude of common-mode output voltage RL = 54 or 100 , See Figure 1 0.2 V IO IOZ Output current with power off VCC = 0, VO = -7 V to 12 V VO = -7 V to 12 V 100 A 100 A IIH IIL High-level input current 20 A Low-level input current VI = 2.7 V VI = 0.4 V -100 A IOS Short-circuit output current VO = -7 V to 12 V 250 mA ICC High-impedance-state output current Supply current (all drivers) No load Outputs enabled 36 55 Outputs disabled 16 30 mA All typical values are at VCC = 5 V and TA = 25C. The minimum VOD2 with a 100- 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. In ANSI Standard EIA/TIA-422-B, VOC, which is the average of the two output voltages with respect to ground, is called output offset voltage, VOS. NOTE 2: See EIA Standard RS-485, Figure 3-5, Test Termination Measurement 2. switching characteristics over recommended ranges of supply voltage and operating free-air temperature, CL = 50 pF PARAMETER TEST CONDITIONS TYP MAX UNIT td(OD) tPZH Differential output delay time RL = 54 , See Figure 2 9 15 22 ns Output enable time to high level RL = 110 , See Figure 3 30 45 70 ns tPZL tPHZ Output enable time to low level RL = 110 , See Figure 4 25 40 65 ns Output disable time from high level RL = 110 , See Figure 3 10 20 35 ns RL = 110 , See Figure 4 10 30 45 ns tPLZ Output disable time from low level All typical values are at VCC = 5 V and TA = 25C. 4 MIN POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 SN75ALS174A QUADRUPLE DIFFERENTIAL LINE DRIVER SLLS122E - JULY 1991 - REVISED APRIL 1998 PARAMETER MEASUREMENT INFORMATION RL 2 VOD2 RL 2 VOC Figure 1. Differential and Common-Mode Output Voltages 3V Y CL Generator (see Note A) 50 Input RL = 54 1.5 V td(ODH) Z 3V 1.5 V 0V td(ODL) Output Z CL = 50 pF (see Note B) Output Y TEST CIRCUIT VOLTAGE WAVEFORMS NOTES: A. The input pulse is supplied by a generator having the following characteristics: PRR = 1 MHz, ZO = 50 , duty cycle = 50%, tf 5 ns, tr 5 ns. B. CL includes probe and stray capacitance. Figure 2. Differential-Output Test Circuit and Delay and Transition Times Voltage Waveforms 3V Output S1 0 V or 3 V Generator (see Note A) Input CL = 50 pF (see Note B) 50 1.5 V 1.5 V 0V RL = 110 Output tPZH 0.5 V VOH 2.3 V Voff 0 V tPHZ TEST CIRCUIT VOLTAGE WAVEFORMS NOTES: A. The input pulse is supplied by a generator having the following characteristics: PRR = 1 MHz, ZO = 50 , duty cycle = 50%, tf 5 ns, tr 5 ns. B. CL includes probe and stray capacitance. Figure 3. Test Circuit and Voltage Waveforms, tPZH and tPHZ POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 5 SN75ALS174A QUADRUPLE DIFFERENTIAL LINE DRIVER SLLS122E - JULY 1991 - REVISED APRIL 1998 PARAMETER MEASUREMENT INFORMATION 5V RL = 110 S1 0 V or 3 V Generator (see Note A) Output 3V Input 1.5 V 1.5 V 0V tPZL CL = 50 pF (see Note B) 50 2.3 V Output tPLZ 5V VOL 0.5 V TEST CIRCUIT VOLTAGE WAVEFORMS NOTES: A. The input pulse is supplied by a generator having the following characteristics: PRR = 1 MHz, ZO = 50 , duty cycle = 50%, tf 5 ns, tr 5 ns. B. CL includes probe and stray capacitance. Figure 4. Test Circuit and Voltage Waveforms, tPZL and tPLZ 6 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 PACKAGE OPTION ADDENDUM www.ti.com 10-May-2007 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty SN75ALS174ADW ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN75ALS174ADWE4 ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN75ALS174ADWG4 ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN75ALS174ADWR ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN75ALS174ADWRE4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN75ALS174ADWRG4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN75ALS174AN ACTIVE PDIP N 16 25 Pb-Free (RoHS) CU NIPD N / A for Pkg Type SN75ALS174ANE4 ACTIVE PDIP N 16 25 Pb-Free (RoHS) CU NIPD N / A for Pkg Type Lead/Ball Finish MSL Peak Temp (3) (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) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. 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Addendum-Page 1 PACKAGE MATERIALS INFORMATION www.ti.com 14-Jul-2012 TAPE AND REEL INFORMATION *All dimensions are nominal Device SN75ALS174ADWR Package Package Pins Type Drawing SOIC DW 20 SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) 2000 330.0 24.4 Pack Materials-Page 1 10.8 B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant 13.1 2.65 12.0 24.0 Q1 PACKAGE MATERIALS INFORMATION www.ti.com 14-Jul-2012 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) SN75ALS174ADWR SOIC DW 20 2000 367.0 367.0 45.0 Pack Materials-Page 2 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46C and to discontinue any product or service per JESD48B. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. 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