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DS96172 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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DS96172 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 6 page  DS96172/DS96174 RS-485/RS-422 Quad Differential Line Drivers General Description The DS96172 and DS96174 are high speed quad differential line drivers designed to meet EIA Standard RS-485. The de- vices have TRI-STATE® outputs and are optimized for bal- anced multipoint data bus transmission at rates up to 10 Mbps. The drivers have wide positive and negative com- mon mode range for multipoint applications in noisy environ- ments. 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 and occurs at junction temperature of approximately 160˚C. The DS96172 features an active high and active low Enable, common to all four drivers. The DS96174 features separate active high Enables for each driver pair. Compatible RS-485 receivers, transceivers, and repeaters are also offered to provide optimum bus perfor- mance. The respective device types are DS96173, DS96175, DS96176 AND DS96177. Features n Meets EIA Standard RS-485 and RS-422A n Monotonic differential output switching n Transmission rate to 10 Mbs n TRI-STATE outputs n Designed for multipoint bus transmission n Common mode output voltage range: −7V to +12V n Operates from single +5V supply n Thermal shutdown protection n DS96172/DS96174 are lead and function compatible with the SN75172/75174 or the AM26LS31/MC3487 respectively Connection Diagrams TRI-STATE® is a registered trademark of National Semiconductor Corporation. 16-Lead DIP DS96172 DS009626-1 Top View 16-Lead DIP DS96174 DS009626-2 Top View Order Number DS96172CN or DS96174CN See NS Package Number N16E June 1998 © 1998 National Semiconductor Corporation DS009626 www.national.com |
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