DS96172 NSC | Alldatasheet

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n Meets EIA Standard RS-485 and RS-422A n Monotonic differential output switching n Transmission rate to 10 Mbs n TRI-STATE outputs n Designed for multipoint bus transmission n Common mode output voltage range: −7V to +12V n Operates from single +5V supply n Thermal shutdown protection n DS96172/DS96174 are lead and function compatible with the SN75172/75174 or the AM26LS31/MC3487 respectively Connection Diagrams TRI-STATE® is a registered trademark of National Semiconductor Corporation. 16-Lead DIP DS96172 DS009626-1 Top View 16-Lead DIP DS96174 DS009626-2 Top View Order Number DS96172CN or DS96174CN See NS Package Number N16E June 1998 DS96172/DS96174 RS-485/RS-422 Quad Differential Line Drivers © 1998 National Semiconductor Corporation DS009626 www.national.com

Absolute Maximum Ratings(Note 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Storage Temperature Range Molded DIP −65˚C to +150˚C Operating Temperature Range 0˚C to +70˚C Lead Temperature Molded DIP (soldering, 10 sec.) 265˚C Supply Voltage 7V Enable Input Voltage 5.5V Maximum Power Dissipation (Note 1) 25˚C N-Molded Package 1.98W Recommended Operating Conditions Min Typ Max Units Supply Voltage (VCC ) 4.75 5 5.25 V Common Mode Output Voltage (VOC ) −7 +12 V Output Current HIGH (IOH ) −60 mA Output Current LOW (IOL )6 0 m A Operating Temperature (TA) 0 25 70 ˚C Note 1:Derate molded DIP package 16mW/˚C above 25˚C. Electrical Characteristics(Notes 3, 4) over recommended temperature and supply voltage ranges, unless otherwise specified Symbol Parameter Conditions Min Typ Max Units VIH Input Voltage HIGH 2 V VIL Input Voltage LOW 0.8 V VOH Output Voltage HIGH I OH = −20 mA 3.1 V VOL Output Voltage LOW I OL =2 0m A 0 . 8 V VIC Input Clamp Voltage I I = −18 mA −1.5 V |VOD1 | Differential Output Voltage I O =0m A 6 V |VOD2 | Differential Output Voltage R L =5 4Ω ,Figure 1 1.5 2 V R L = 100Ω ,Figure 1 2 2.3 V Δ|VOD | Change in Magnitude of Differential R L =5 4Ω or 100Ω ,Figure 1 ±0.2 V Output Voltage (Note 5) VOC Common Mode Output Voltage (Note 6) RL =5 4Ω ,Figure 1 3V Δ|VOC | Change in Magnitude of Common Mode ±0.2 V Output Voltage (Note 5) IO Output Current with Power Off V CC = 0V, VO = −7.0V to 12V ±100 µA IOZ High Impedance State Output Current VO = −7.0V to 12V ±50 ±200 µA IIH Input Current HIGH V I = 2.7V 20 µA IIL Input Current LOW V I = 0.5V −100 µA IOS Short Circuit Output Current V O = −7.0V −250 (Note 7) V O = 0V −150 mA VO =V CC 150 VO = 12V 250 ICC Supply Current (All Drivers) No Load Outputs Enabled 50 70 mA Output Disabled 50 60 Switching Characteristics VCC = 5V, TA = 25˚C Symbol Parameter Conditions Min Typ Max Units tDD Differential Output Delay Time R L =6 0Ω ,Figure 2 15 25 ns tTD Differential Output Transition Time 15 25 ns tPLH Propagation Delay Time, R L =2 7Ω ,Figure 3 12 20 ns Low-to-High Level Output tPHL Propagation Delay Time, 12 20 ns High-to-Low Level Output t PZH Output Enable Time to High Level R L = 110Ω ,Figure 4 30 45 ns tPZL Output Enable Time to Low Level R L = 110Ω ,Figure 5 30 45 ns www.national.com 2

Note:The line length should be terminated at both ends in its characteristic impedance. Stub lengths off the main line should be kept as short as possible. FIGURE 6. www.national.com5

Physical Dimensionsinches (millimeters) unless otherwise noted LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DE- VICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMI- CONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or sys- tems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose fail- ure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. 2. A critical component in any component of a life support device or system whose failure to perform can be rea- sonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. National Semiconductor Corporation Americas Tel: 1-800-272-9959 Fax: 1-800-737-7018 Email: support@nsc.com www.national.com National Semiconductor Europe Fax: +49 (0) 1 80-530 85 86 Email: europe.support@nsc.com Deutsch Tel: +49 (0) 1 80-530 85 85 English Tel: +49 (0) 1 80-532 78 32 Français Tel: +49 (0) 1 80-532 93 58 Italiano Tel: +49 (0) 1 80-534 16 80 National Semiconductor Asia Pacific Customer Response Group Tel: 65-2544466 Fax: 65-2504466 Email: sea.support@nsc.com National Semiconductor Japan Ltd. Tel: 81-3-5620-6175 Fax: 81-3-5620-6179 Molded Dual-In-Line Package (N) Order Number DS96172CN or DS96174CN DS96172/DS96174 RS-485/RS-422 Quad Differential Line Drivers National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.