Datenblatt-Suchmaschine für elektronische Bauteile |
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ST490A Datenblatt(PDF) 1 Page - STMicroelectronics |
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ST490A Datenblatt(HTML) 1 Page - STMicroelectronics |
1 / 17 page May 2006 Rev 3 1/17 17 Order code Part number Temperature range Package Packaging ST490ACN 0 to 70 °C DIP-8 50parts per tube / 40tube per box ST490ABN -40 to 85 °C DIP-8 50parts per tube / 40tube per box ST490ACDR 0 to 70 °C SO-8 (Tape & Reel) 2500 parts per reel ST490ABDR -40 to 85 °C SO-8 (Tape & Reel) 2500 parts per reel ST490A Low power high speed RS-485/RS-422 transceiver General features s Low supply current: 5mA max s -7V to 12V common mode input voltage range s 70mV tipycal input hysteresis s Designed for 25Mbps operation s Operate from a single 5V supply s ±4kV ESD protection s Current limiting and thermal shutdown for driver overload protection Description The ST490A is a low power transceiver for RS- 485 and RS-422 communications. The device contains one driver and one receiver in full duplex configuration. The ST490A draws 5mA (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 receiver input has a fail-safe feature that guarantees a logic high output if both inputs are open circuit. DIP-8 SO-8 www.st.com |
Ähnliche Teilenummer - ST490A_06 |
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Ähnliche Beschreibung - ST490A_06 |
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