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SN75172DW Datasheet(PDF) 1 Page - Texas Instruments |
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SN75172DW Datasheet(HTML) 1 Page - Texas Instruments |
1 / 8 page SN75172 QUADRUPLE DIFFRENTIAL LINE DRIVER SLLS038B – OCTOBER 1980 – REVISED MAY 1995 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Meets or Exceeds the Requirements of ANSI Standards EIA/TIA-422-B and RS-485 and ITU Recommendation V.11 D Designed for Multipoint Transmission on Long Bus Lines in Noisy Environments D 3-State Outputs D Common-Mode Output Voltage Range of – 7 V to 12 V D Active-High and Active-Low Enables D Thermal Shutdown Protection D Positive- and Negative-Current Limiting D Operates From Single 5-V Supply D Logically Interchangeable With AM26LS31 description The SN75172 is a monolithic quadruple differential line driver with 3-state outputs. It is designed to meet the requirements of ANSI Standards EIA/TIA-422-B and RS-485 and ITU Recommendation V.11. The device is optimized for balanced multipoint bus transmission at rates of up to 4 megabaud. Each driver features wide positive and negative common-mode output voltage ranges, making it suitable for party-line applications in noisy environments. The SN75172 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 150 °C. This device offers optimum performance when used with the SN75173 or SN75175 quadruple differential line receivers. The SN75172 is characterized for operation from 0 °C to 70°C. FUNCTION TABLE (each driver) INPUT ENABLES OUTPUTS INPUT A G G Y Z H H X H L L H XL H H X LH L L X LL H X L H Z Z H = high level, L = low level, 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 1A 1Y 1Z G 2Z 2Y 2A GND VCC 4A 4Y 4Z G 3Z 3Y 3A N PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 1A 1Y NC 1Z G 2Z NC 2Y 2A GND VCC 4A 4Y NC 4Z G 3Z NC 3Y 3A DW PACKAGE (TOP VIEW) NC – No internal connection |
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