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ST1480ABDR датащи(PDF) 1 Page - STMicroelectronics |
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ST1480ABDR датащи(HTML) 1 Page - STMicroelectronics |
1 / 22 page November 2007 Rev 3 1/22 22 ST1480AB ST1480AC 3.3 V powered, 15 kV ESD protected, up to 12 Mbps true RS-485/RS-422 transceiver Features ■ ESD protection – ±15 kV human body model – ±8 kV IEC 1000-4-2 contact discharge ■ Operate from a single 3.3 V supply - no charge pump required ■ Interoperable with 5 V logic ■ 1 µA low current shutdown mode max ■ Guaranteed 12 Mbps data rate ■ -7 to 12 common mode input voltage range ■ Half duplex versions available ■ Industry standard 75176 pinout ■ Current limiting and thermal shutdown for driver overload protection ■ Guaranteed high receiver output state for floating, shorted or terminated inputs with no signal present ■ Allow up to 64 transceivers on the bus Description The ST1480A is ±15 kV ESD protected, 3.3 V low power transceiver for RS-485 and RS-422 communications. The device contains one driver and one receiver in half duplex configuration. The ST1480A transmits and receives at a guaranteed data rate of at least 12 Mbps. All transmitter outputs and receiver inputs are protected to ±15 kV using Human Body Model. Driver is short-circuit current limited and is protected against excessive power dissipation by thermal shutdown circuitry that places the driver outputs into a high-impedance state. The ST1480A input has a true fail-safe feature that guarantees a logic high output if both inputs are open circuit, shorted together or in the presence of a termination with no signal on the bus. SO-8 DIP-8 Figure 1. Device summary Part number Temperature range Package Packaging ST1480ACN 0 to 70 °C DIP-8 50 parts per tube / 40 tube per box ST1480ACDR 0 to 70 °C SO-8 (tape & reel) 2500 parts per reel ST1480ABDR -40 to 85 °C SO-8 (tape & reel) 2500 parts per reel www.st.com |
Аналогичный номер детали - ST1480ABDR |
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Аналогичное описание - ST1480ABDR |
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