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ST485_068 bảng dữ liệu(PDF) 1 Page - STMicroelectronics |
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ST485_068 bảng dữ liệu(HTML) 1 Page - STMicroelectronics |
1 / 19 page August 2006 Rev 13 1/19 19 Order code Part number Temperature range Package Packaging ST485CN 0 to 70 °C DIP-8 50parts per tube / 40tube per box ST485BN -40 to 85 °C DIP-8 50parts per tube / 40tube per box ST485XN -55 to 125 °C DIP-8 50parts per tube / 40tube per box ST485CD 0 to 70 °C SO-8 (Tube) 100parts per tube / 20tube per box ST485BD -40 to 85 °C SO-8 (Tube) 100parts per tube / 20tube per box ST485CDR 0 to 70 °C SO-8 (Tape & reel) 2500 parts per reel ST485BDR -40 to 85 °C SO-8 (Tape & reel) 2500 parts per reel ST485XDR -55 to 125 °C SO-8 (Tape & reel) 2500 parts per reel ST485 Low power RS-485/RS-422 transceiver General features ■ Low quiescent current: 300µA ■ Designed for RS-485 interface application ■ -7V to 12V common mode input voltage range ■ Driver maintains high impedance in 3-state or with the power OFF ■ 70mV tipycal input hysteresis ■ 30ns propagation delay, 5ns skew ■ Operate from a single 5V supply ■ Current limiting and thermal shutdown for driver overload protection ■ Allows up to 64 transceivers on the bus Description The ST485 is al low power transceiver for RS-485 and RS-422 communication. Each part contains one driver and one receiver. This transceiver draw 300µA (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 placed the driver outputs into a high-impedance state. The ST485 is designed for bi-directional data communications on multipoint bus transmission line (half-duplex applciations). The ST485 is available in three temperature range: commercial (0°C to 70°C), industrial (- 40°C to 85°C) and automotive (-55°C to 125°C) DIP-8 SO-8 www.st.com |
Số phần tương tự - ST485_068 |
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Mô tả tương tự - ST485_068 |
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