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SN75ALS191D Datasheet(PDF) 1 Page - Texas Instruments |
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SN75ALS191D Datasheet(HTML) 1 Page - Texas Instruments |
1 / 5 page SN75ALS191 DUAL DIFFERENTIAL LINE DRIVER SLLS032B – DECEMBER 1987 – REVISED MAY 1995 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Meets or Exceeds the Requirements of ANSI Standard EIA/TIA-422-B and ITU Recommendation V.11 D Designed to Operate at 20 Mbaud or Higher D TTL-and CMOS-Input Compatibility D Single 5-V Supply Operation D Output Short-Circuit Protection D Improved Replacement for the µA9638 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) INPUTS OUTPUTS A Y Z H H L L L H H = high level, L = low level, Z = high impedance logic symbol† 2A 1A 3 2 2Z 2Y 1Z 1Y 5 6 7 8 † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. logic diagram (positive logic) 8 7 1Y 1Z 2 1A 6 5 2Y 2Z 3 2A 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 8 7 6 5 VCC 1A 2A GND 1Y 1Z 2Y 2Z D OR P PACKAGE (TOP VIEW) |
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