National - DS36C278

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Contents

National Semiconductor December 1995 DS36C278 Low Power Multipoint EIA RS 485 Transceiver General Description The DS36C278 is a low power differential bus line trans ceiver designed to meet the requirements of RS 485 stan dard for multipoint data transmission In addition it is com patible with TIA EIA 422 B The CMOS design offers significant power savings over its bipolar and ALS counterparts without sacrificing ruggedness against ESD damage The device is ideal for use in battery powered or power conscious applications Ice S specified at 500 ju A maximum The driver and receiver outputs feature TRI STATE capa bility The driver outputs operate over the entire common mode range of 7V to 12V Bus contention or fault situa tions that cau ...