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ST485EBD Datasheet(PDF) 1 Page - STMicroelectronics |
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ST485EBD Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 13 page 1/13 September 2003 s LOW QUIESCENT CURRENT: 300 µA s DESIGNED FOR RS-485 INTERFACE APPLICATIONS s -7V TO 12V COMMON MODE INPUT VOLTAGE RANGE s DRIVER MAINTAINS HIGH IMPEDANCE IN 3-STATE ORWITHTHE POWER OFF s 70mV TYPICAL INPUT HYSTERESIS s 30ns PROPAGATION DELAYS, 5ns SKEW s OPERATE FROM A SINGLE 5V SUPPLY s CURRENT LIMITING AND THERMAL SHUTDOWN FOR DRIVER OVERLOAD PROTECTION s ESD PROTECTION: ±15KV (H.B.M.) ±8KV (IEC-1000-4-2 CONTACT DISCHARGE) s ALLOWS UP TO 64 TRANSCEIVERS ON THE BUS DESCRIPTION The ST485E is al low power transceiver for RS-485 and RS-422 communication. Each driver output and receiver input is protected against ±15KV electrostatic discharge (H.B.M.) (ESD) shocks, without latcup. These parts contain one driver and one receiver in half duplex configuration. This transceiver draw 300 µA (typ.) of supply current when unloaded or fully loaded with disabled drivers. It operates from a single 5V supply. Driver is short-circuit current limited and is protected against excessive power dissipation by thermal shutdown circuitry that place the driver outputs into a high-impedance state. The ST485E is designed for bi-directional data communications on multipoint bus transmission line (half-duplex applications). ORDERING CODES Type Temperature Range Package Comments ST485ECN 0 to 70 °C DIP-8 50parts per tube / 40tube per box ST485EBN -40 to 85 °C DIP-8 50parts per tube / 40tube per box ST485EXN -55 to 125 °C DIP-8 50parts per tube / 40tube per box ST485ECD 0 to 70 °C SO-8 (Tube) 100parts per tube / 20tube per box ST485EBD -40 to 85 °C SO-8 (Tube) 100parts per tube / 20tube per box ST485EXD -55 to 125 °C SO-8 (Tube) 100parts per tube / 20tube per box ST485ECDR 0 to 70 °C SO-8 (Tape & Reel) 2500 parts per reel ST485EBDR -40 to 85 °C SO-8 (Tape & Reel) 2500 parts per reel ST485EXDR -55 to 125 °C SO-8 (Tape & Reel) 2500 parts per reel ST485E ±15KV ESD PROTECTED, LOW POWER RS-485/RS-422 TRANSCEIVER DIP SOP |
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Descripción similar - ST485EBD |
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