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DS96F172MJ/883 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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DS96F172MJ/883 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 11 page  DS96F172M/DS96F174C/DS96F174M EIA-485/EIA-422 Quad Differential Drivers General Description The DS96F172 and the DS96F174 are high speed quad differential line drivers designed to meet EIA-485 Standards. The DS96F172 and the DS96F174 offer improved perfor- mance due to the use of L-FAST bipolar technology. The use of LFAST technology allows the DS96F172 and DS96F174 to operate at higher speeds while minimizing power con- sumption. The DS96F172 and the DS96F174 have TRI-STATE® out- puts and are optimized for balanced multipoint data bus transmission at rates up to 15 Mbps. The drivers have wide positive and negative common mode range for multipoint applications in noisy environments. Positive and negative current-limiting is provided which protects the drivers from line fault conditions over a +12V to −7.0V common mode range. A thermal shutdown feature is also provided. The DS96F172 features an active high and active low Enable, common to all four drivers. The DS96F174 features separate active high Enables for each driver pair. Features n Meets EIA-485 and EIA-422 standards n Monotonic differential output switching n TRI-STATE outputs n Designed for multipoint bus transmission n Common mode output voltage range: −7.0V to +12V n Operates from single +5.0V supply n Reduced power consumption n Thermal shutdown protection n DS96F172 and DS96F174 are lead and function compatible with the SN75172/174 or the AM26LS31/MC3487 n Military temperature range available n Qualified for MIL-STD-883C n Standard military drawings available (SMD) n Available in DIP (J), LCC (E), and Flatpak (W) packages Logic Diagrams DS96F172 00962514 DS96F174 00962515 Function Tables (Each Driver) DS96F172 Input Enable Outputs AE E YZ HH X H L LH X L H HX L H L LX L L H XL H Z Z DS96F174 Input Enable Outputs AE Y Z HH H L LH L H XL Z Z H = High Level L = Low Level X = Don’t Care Z = High Impedance (Off) TRI-STATE® is a registered trademark of National Semiconductor Corporation. July 2000 © 2004 National Semiconductor Corporation DS009625 www.national.com |
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