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MC3487N 데이터시트(PDF) 1 Page - Texas Instruments |
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MC3487N 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 6 page MC3487 QUADRUPLE DIFFERENTIAL LINE DRIVER SLLS098A – MAY 1980 – REVISED MAY 1995 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Meets or Exceeds Requirements of ANSI EIA/TIA-422-B and ITU Recommendation V.11 D 3-State, TTL-Compatible Outputs D Fast Transition Times D High-Impedance Inputs D Single 5-V Supply D Power-Up and Power-Down Protection D Designed to Be Interchangeable With Motorola MC3487 description The MC3487 offers four independent differential line drivers designed to meet the specifications of ANSI EIA/TIA-422-B and ITU Recommendation V.11. Each driver has a TTL-compatible input buffered to reduce current and minimize loading. The driver outputs utilize 3-state circuitry to provide high-impedance states at any pair of differential outputs when the appropriate output enable is at a low logic level. Internal circuitry is provided to ensure a high-impedance state at the differential outputs during power-up and power-down transition times provided the output enable is low. The outputs are capable of source or sink currents of 48 mA. The MC3487 is designed for optimum performance when used with the MC3486 quadruple line receiver. It is supplied in a 16-pin dual-in-line package and operates from a single 5-V supply. The MC3487 is characterized for operation from 0 °C to 70°C. logic symbol† EN EN 4Z 4Y 3Z 3Y 2Z 2Y 1Z 1Y 15 9 12 7 1 4 4A 3A 3, 4EN 2A 1A 1, 2EN 13 14 11 10 5 6 3 2 † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. logic diagram (positive logic) 4Z 4Y 3Z 3Y 2Z 2Y 1Z 1Y 15 9 12 7 1 4 4A 3A 3, 4EN 2A 1A 1, 2EN 13 14 11 10 5 6 3 2 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 D OR N PACKAGE (TOP VIEW) |
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