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SN75ALS173 Datasheet(PDF) 1 Page - Texas Instruments |
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SN75ALS173 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 7 page SN75ALS173 QUADRUPLE DIFFERENTIAL LINE RECEIVER SLLS132C – SEPTEMBER 1991 – REVISED MAY 1995 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Meets or Exceeds the Requirements of ANSI EIA/TIA-422-B, EIA/TIA-423-B, and RS-485 D Meets or Exceeds the Requirements of ITU Recommendations V.10, V.11, X.26, and X.27 D Designed for Multipoint Bus Transmission on Long Bus Lines in Noisy Environments D 3-State Outputs D Common-Mode Input Voltage Range of – 12 V to 12 V D Input Sensitivity... ±200 mV D Input Hysteresis...50 mV Typ D High Input Impedance...12 kΩ Min D Operates From Single 5-V Supply D Low Supply-Current Requirement 27 mA Max description The SN75ALS173 is a monolithic quadruple differential line receiver with 3-state outputs. It is designed to meet the requirements of ANSI Standards EIA/TIA-422-B, EIA/TIA-423-B, RS-485, and several ITU recommendations. Advanced low-power Schottky technology provides high speed without the usual power penalty. The four receivers have an ORed pair of enables in common. Either G high or G low enables all of the receivers. The device features high input impedance, input hysteresis for increased noise immunity, and input sensitivity of ±200 mV over a common-mode input voltage range of –12 V to 12 V. The SN75ALS173 is characterized for operation from 0 °C to 70°C. FUNCTION TABLE (each receiver) DIFFERENTIAL ENABLES OUTPUT A – B G G Y VID ≥ 02 V H X H VID ≥ 0.2 V X LH 0 2V<VID <0 2V H X ? – 0.2 V < VID < 0.2 V X L? VID ≤ 02 V H X L VID ≤ – 0.2 V X LL X L H Z Open Circuit H X H Open Circuit X L H H = high level, L = low level, ? = indeterminate, X = irrelevant, Z = high impedance (off) 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. 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. 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 1B 1A 1Y G 2Y 2A 2B GND VCC 4B 4A 4Y G 3Y 3A 3B N OR NS† PACKAGE (TOP VIEW) † The NS package is only available left-end taped and reeled (order device SN75ALS173 NSLE). |
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