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SN75ALS194N Datasheet(PDF) 1 Page - Texas Instruments |
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SN75ALS194N Datasheet(HTML) 1 Page - Texas Instruments |
1 / 22 page SN55ALS194, SN75ALS194 QUADRUPLE DIFFERENTIAL LINE DRIVERS SLLS009D – OCTOBER 1985 – REVISED MAY 1995 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Meet or Exceed the Requirements of ANSI Standard EIA/TIA-422-B and ITU Recommendation V.11 D Designed to Operate Up to 20 Mbaud D 3-State TTL-Compatible Outputs D Single 5-V Supply Operation D High Output Impedance in Power-Off Condition D Two Pairs of Drivers, Independently Enabled D Designed as Improved Replacements for the MC3487 description These four differential line drivers are designed for data transmission over twisted-pair or parallel-wire transmission lines. They meet the requirements of ANSI Standard EIA/TIA-422-B and ITU Recommendation V.11 and are compatible with 3-state TTL circuits. Advanced low-power Schottky technology provides high speed without the usual power penalty. Standby supply current is typically only 26 mA. Typical propagation delay time is less than 10 ns, and enable/disable times are typically less than 16 ns. High-impedance inputs keep input currents low: less than 1 µA for a high level and less than 100 µA for a low level. The driver circuits can be enabled in pairs by separate active-high enable inputs. The SN55ALS194 and SN75ALS194 are capable of data rates in excess of 20 megabits per second and are designed to operate with the SN55ALS195 and SN75ALS195 quadruple line receivers. The SN55ALS194 is characterized for operation over the full military temperature range of – 55 °C to 125°C. The SN75ALS194 is characterized for operation from 0 °C to 70°C. FUNCTION TABLE (each driver) INPUTS OUTPUT OUTPUTS A EN Y Z H H H L L H L H X L Z Z H = high level, L = low level, X = irrelevant, Z = high impedance 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 1, 2EN 2Z 2Y 2A GND VCC 4A 4Y 4Z 3, 4EN 3Z 3Y 3A SN55ALS194 ...J OR W PACKAGE SN75ALS194 ...D OR N PACKAGE (TOP VIEW) 3 2 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 4Y 4Z NC 3, 4EN 3Z 1Z 1, 2EN NC 2Z 2Y SN55ALS194 ...FK PACKAGE (TOP VIEW) NC – No internal connection |
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